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Video 17

Speed up videoSpeed up a video or make it slow motion, from 0.25× to 4×, with the sound following along.Open →
Add music to videoAdd a song or audio to a video online: replace the original sound or mix both, with volume, music start time and a fade at the end.Open →
Add text to videoWrite a fixed title or caption on your video, choosing the position, size, color and background of the text.Open →
Compress videoReduce video file size to send on WhatsApp or by email.Open →
Convert video to MP4Convert MOV, MKV, AVI and WebM videos to MP4.Open →
Video cutterCut a part of any video, right in your browser.Open →
Split videoCut a video into several parts at once: mark the cuts, split into equal parts or every X seconds.Open →
Mirror videoMirror videos horizontally or vertically online, to fix front camera footage or create effects, without uploading the file.Open →
Extract audio from video (MP4 to MP3)Take the audio from any video and save it as MP3, M4A or WAV.Open →
Rotate videoRotate a video that came out sideways or upside down, and mirror it if needed.Open →
Screen recorderRecord your computer screen with or without audio, with nothing to install.Open →
Webcam video recorderRecord videos with your webcam and microphone right in the browser, with mirroring, a countdown and file download, with nothing to install.Open →
Reverse videoPlay your video backwards (rewind effect), with or without reversed audio.Open →
Merge videosCombine several videos into one, in the order you want, right in your browser.Open →
Crop video (change aspect ratio)Crop a video to vertical 9:16, square 1:1, 4:5 or 16:9, choosing which part of the frame stays.Open →
Loop videoRepeat a video several times in a row in a single file, without losing quality.Open →
Online teleprompterA free teleprompter in your browser: paste your script and read it as it scrolls on the screen while you record videos, livestreams and presentations. Speed, font size, mirror mode and full screen.Open →

PDF 15

Sign PDFSign PDFs by drawing, typing or using a photo of your signature.Open →
Add header and footer to PDFAdd header and footer text to every page of a PDF, like a company name, date, case number or "Confidential".Open →
Compress PDFReduce the size of scanned and photo-heavy PDFs.Open →
Split PDFExtract pages from a PDF or split it into several files.Open →
PDF metadata editorView and change the title, author, subject, keywords and creator app of a PDF, or remove all metadata before sending it.Open →
Extract images from PDFSave all the photos and images inside a PDF.Open →
Extract text from PDFCopy all the text from a PDF file.Open →
JPG to PDFTurn photos and images into a PDF file.Open →
Merge PDFCombine several PDF files into one, in the order you want.Open →
Add watermark to PDFAdd text as a watermark on every page of a PDF.Open →
Add page numbers to PDFAdd numbers to the pages of a PDF.Open →
Organize PDFRotate, delete and reorder the pages of a PDF.Open →
PDF to JPGTurn each page of a PDF into a JPG or PNG image.Open →
PDF to black and whiteConvert a color PDF to grayscale or black and white for printing.Open →
Resize PDF to Letter or A4Change the page size of a PDF to Letter, A4, Legal or A5, scaling the content without cropping and with an optional margin.Open →

QR Code 8

Digital menu with QR code (free, no sign-up)Build the digital menu for your restaurant, diner or bar and get a link and a QR code to print for the tables. Categories, items with description and price, an order-on-WhatsApp button and your own colors. The menu is stored inside the link itself: no sign-up, no monthly fee and no server.Open →
Barcode generatorCreate EAN-13, Code 128 and other barcodes.Open →
QR code generatorCreate QR codes for links, text, phone numbers or email.Open →
Barcode scannerScan barcodes and QR codes with your camera.Open →
QR code scannerScan QR codes with your camera or from an image.Open →
Business card QR code (vCard)Whoever scans it saves your contact on their phone.Open →
WhatsApp QR codeOpens a chat with your WhatsApp with a ready-made message.Open →
Wi-Fi QR codeYour customers join the Wi-Fi without typing the password.Open →

Image 58

Add border to imageAdd a colored border to your photos or make them square for Instagram.Open →
Round image cornersRound the corners of photos and images, with a transparent PNG background, adjustable radius and an optional border. Several at once.Open →
Sharpen imageMake slightly blurry photos sharper with an unsharp mask filter, adjusting the intensity, without uploading the image to servers.Open →
Initials avatar generator (profile picture with letters)Create avatars with the initials of a name, like Gmail's: background color picked automatically from the name or chosen by you, circle, rounded square or square, font and size. Download as PNG or SVG, or generate many at once from a list of names, as a .zip.Open →
DPI and print size calculatorFind out how big you can print a photo with good quality, how many pixels you need for a size in cm and the resolution (DPI) of a printed image. Open the photo to read its pixels.Open →
Aspect ratio calculatorFind the aspect ratio of a resolution (16:9, 4:3, 9:16) and calculate the missing width or height while keeping the ratio.Open →
Blur or redact part of an imageBlur, pixelate or cover faces, license plates, names and personal data in part of a photo or screenshot.Open →
Compare images (before and after)Compare two images with a before-and-after slider, an overlay, or the differences highlighted in red.Open →
Compress image to X KBShrink a photo to the exact size a website asks for: 50 KB, 100 KB, 200 KB, 1 MB.Open →
Compress imageReduce the size of JPG, PNG and WebP photos with no visible loss of quality.Open →
Image converterConvert images between JPG, PNG and WebP.Open →
Random color generatorGenerate random colors in HEX, RGB and HSL, with pastel, vivid or dark options, and copy the code with one click.Open →
Online signature makerDraw your signature with your finger or mouse and download it as a PNG with a transparent background to paste into documents, PDFs and contracts.Open →
WhatsApp sticker makerTurn photos into 512×512 WebP stickers, with a white outline and rounded corners, ready for WhatsApp.Open →
Draw onlineA whiteboard to draw on with your finger or mouse.Open →
Split image into parts (grid and carousel)Cut an image into several equal parts: a 3×3 grid for the Instagram feed, a panoramic carousel or any number of rows and columns.Open →
Duotone photo effectApply the duotone effect to your photos: replace shadows and highlights with two colors of your choice, with ready-made palettes in the style of album covers and campaigns.Open →
Glitch photo effectCreate the glitch effect on photos, with RGB color split, shifted bands, old TV scan lines and digital noise, adjusting the intensity and generating random variations.Open →
Vintage photo effectGive your images an old-photo look with a warm tone, faded colors, a vignette on the edges and film grain, adjusting each effect separately.Open →
Add text to photoPlace text anywhere on a photo, with font, color, outline, shadow or background, and drag it into position.Open →
Image filtersAdjust brightness, contrast and saturation and apply black and white or sepia.Open →
3x4 ID photo makerMake a 3×4 cm ID photo with your phone: frame your face and download the photo or a sheet ready to print.Open →
Photo to drawingTurn photos into a pencil drawing, a color sketch or a coloring page, right in your browser and with no sign-up.Open →
Online polaroid photoTurn your photos into polaroids with a white frame, square crop, handwritten caption and a slight tilt, ready to post or print.Open →
Meme generatorAdd top and bottom text to any image to make memes.Open →
Share image generator (og:image)Create the image that appears when your site's link is shared on WhatsApp, Facebook, LinkedIn and X: 1200×630 px, with title, subtitle, logo or background photo and brand colors, and copy the meta tags.Open →
Color palette generatorGenerate harmonious color palettes (analogous, complementary, triadic, monochromatic) from a color or at random, and copy the HEX codes.Open →
Color shades generatorPick a color and generate its scale of shades, from lightest to darkest (50 to 950, like Tailwind), with HEX, RGB and HSL codes and CSS variables ready to copy.Open →
Rotate and flip imageRotate photos 90° or 180° and flip them horizontally or vertically.Open →
HEIC to JPGConvert iPhone HEIC photos to JPG.Open →
Image to ASCII artTurn photos and images into ASCII art made of letters and symbols, with adjustable width, colors and the option to copy the text or download a PNG.Open →
Resize images for social mediaFit photos to the right size for Instagram posts and stories, Facebook cover, YouTube thumbnail, LinkedIn banner, X and WhatsApp, by cropping or with a blurred background.Open →
Image to text (OCR)Copy the text from photos, screenshots and scanned documents.Open →
Black and white imageMake photos black and white or sepia in one click.Open →
Whole photo on Instagram (no cropping)Make photos square, 4:5 or 9:16 without cropping anything: the whole image sits on a blurred or colored background, ready for Instagram and WhatsApp.Open →
Make a GIF from photosCombine photos and images into an animated GIF in your browser: image order, speed, size and looping, without uploading anything.Open →
Optimize images for your websitePrepare your website's images all at once: generate each photo in WebP (or JPG) at several widths (480, 800, 1200, 1600 px), download everything as a .zip and copy the <img> code with srcset, sizes, width, height and lazy loading.Open →
Invert image colors (negative)Invert the colors of photos and images to create a negative effect, or turn a film negative back into a positive photo.Open →
JPG to PNGConvert JPG photos to PNG.Open →
Merge imagesCombine several photos into one: side by side, in a column or in a grid.Open →
Add watermark to imageAdd your name or logo as a watermark on your photos.Open →
Website mockup (screenshot on laptop and phone)Put your website screenshot inside a laptop and a phone and create a presentation image for your portfolio, proposals, social media or to show a client. Choose the background and download as PNG.Open →
Paint onlineFree online Paint in your browser: brush, line, arrow, rectangle, circle, paint bucket, text, eraser and eyedropper, with colors, thickness, undo and redo. Open a photo to draw on it and download as PNG. No sign-up and nothing to install.Open →
Image color pickerFind the HEX and RGB code of any color in a photo.Open →
Online pixel art makerDraw pixel art in your browser on an 8×8 to 64×64 grid: pencil, eraser, bucket, eyedropper, mirror for symmetric drawings, retro palette and undo. Download as a transparent PNG at any size. No sign-up.Open →
Pixelate and blur imagePixelate or blur whole photos to hide details.Open →
PNG to JPGConvert PNG images to JPG.Open →
Convert to WebPConvert JPG and PNG to WebP, lighter for websites.Open →
Quote post maker for InstagramTurn a phrase or quote into a beautiful image for Instagram, Stories and WhatsApp: choose the background, font and size and download as PNG.Open →
Poster across multiple sheets (Letter or A4)Enlarge a photo or image across several Letter or A4 sheets to print at home and assemble a big poster or banner, with overlap margins and cutting guides.Open →
Screenshot beautifierPlace your screenshot on a colorful background, with padding, rounded corners, a shadow and a window frame, ready to post.Open →
Crop image to a circleCrop your photo into a round shape with a transparent background.Open →
Crop imageCrop photos to any size, freely or at 1:1, 4:5 or 16:9.Open →
Resize imageChange the width and height of photos, in pixels or percent.Open →
Remove image backgroundRemove the background from photos automatically with AI.Open →
Remove photo metadataErase the GPS location and EXIF data hidden in your photos.Open →
Convert SVG to PNGConvert SVG files to PNG or JPG at any size (2x, 4x or an exact width), with a transparent or colored background.Open →
White screenA white or colored full-screen page, for lighting and testing.Open →

Calculators 198

Group expense splitter (who owes whom)Split trip, house or barbecue expenses among friends: enter how much each person paid and see who owes whom with the fewest transfers.Open →
Recipe scaler (double or halve servings)Paste the ingredient list and change the yield: the tool multiplies the amounts to double, triple or halve the recipe, including fractions like 1/2 cup.Open →
Extra payment loan calculatorSee how much interest you save by making an extra payment on your loan, shortening the term or lowering the payment, with fixed payments or constant amortization.Open →
Permutation and combination calculatorCalculate factorial, permutations and combinations, with and without repetition, showing the formula.Open →
Resistors in series and parallel calculatorCalculate the equivalent resistance of resistors in series or parallel, and of capacitors too, by typing the values separated by commas or lines.Open →
Fuel tank range calculatorFind out how far your car can go on a full tank or on the fuel left, how many fuel stops a trip needs and how much it costs to fill up.Open →
Will my bag fit as a carry-on?Enter your bag's size and weight and see if it fits as a personal item, carry-on or checked bag under the limits most airlines use.Open →
Chemical equation balancerType a chemical equation, like C3H8 + O2 = CO2 + H2O, and get the smallest whole-number coefficients that balance the reaction, with an atom count check for each element.Open →
Wedding anniversary names by yearFind out which anniversary a couple celebrates from the wedding date, how long they've been together and when the next one is, with the full list from paper to diamond.Open →
555 timer calculatorCalculate the frequency, period, high and low time and duty cycle of the 555 timer in astable mode, the pulse width in monostable mode, and find R1 and R2 for the frequency you want.Open →
Scientific calculatorOnline scientific calculator with sine, cosine, tangent, log, root, power, factorial and history.Open →
Retirement calculatorFind out how much you need to save and invest each month to retire with the income you want, living only off the returns.Open →
Wire size and breaker calculator (mm²)Calculate the wire size (mm²) and breaker from the power, voltage and length of the circuit, considering current capacity and voltage drop under IEC-based rules (Brazilian NBR 5410).Open →
BTU calculator (air conditioner)Find out how many BTUs your air conditioner needs for your room, from the area, number of people, appliances and afternoon sun.Open →
Water tank size calculatorCalculate the right water tank size for your home from the number of residents, use per person and days of reserve.Open →
Wire fence calculatorCalculate how many posts and how many meters and rolls of plain or barbed wire to buy to fence a lot, pasture or farm.Open →
BBQ calculatorHow much meat and drinks to buy per guest.Open →
Concrete calculatorCalculate the volume of concrete for a slab, footing, beam or subfloor and how many bags of cement, sand and gravel to buy for the mix ratio.Open →
GPA calculator (weighted average)Calculate your college GPA, the weighted average of your grades by the credits or hours of each course.Open →
Discount calculatorFinal price after a discount and how much you save.Open →
Dilution calculator (C1V1 = C2V2)Calculate solution dilutions with C1·V1 = C2·V2: enter three values to find the fourth, plus how much solvent to add. Works for mol/L, g/L, percent and ppm.Open →
Solar panel calculatorEstimate how many solar panels you need, the system size in kWp and the roof area from your electric bill usage.Open →
Scale calculatorConvert real measurements to the scale of a drawing, floor plan, map or model (1:50, 1:100, 1:25,000) and back. Also find the scale from a real measurement and the one on paper.Open →
Z-score and normal distribution calculatorCalculate the z-score of a value, the cumulative probability and the percentile on the normal distribution, or go the other way, with a bell curve chart and the shaded area.Open →
Statistics calculator (standard deviation)Paste a list of numbers and see the mean, median, mode, standard deviation, variance, quartiles, range and coefficient of variation.Open →
Class absence calculator (how many can I miss?)Find out how many more classes you can miss without failing for attendance, from the course hours and a minimum attendance of 75%.Open →
Party food calculatorCalculate how many snacks, sweets, cake, soda, beer and ice to buy for your party.Open →
Fraction calculatorAdd, subtract, multiply and divide fractions.Open →
Diaper calculatorHow many diapers a baby uses in each size in the first year and how many packs to ask for at the baby shower, split by the number of guests.Open →
Freight cost per mile/km calculatorCalculate the cost and price of a trucking load: distance, truck fuel economy, diesel price, tolls, wear per km, per diem and profit margin, with the rate per kilometer.Open →
Tip calculatorCalculate the tip, the bill total and how much each person pays, with rounding to make paying easier. Works for travel tipping too (15% to 20% in the US).Open →
Sod calculatorCalculate how many m² and how many pieces or rolls of sod to buy for your yard, with cutting waste, and the soil to prepare the ground.Open →
Lighting calculator (lumens per room)Calculate how many lumens each room needs from the type of room and its area, and how many LED bulbs to buy, with the total wattage and estimated monthly use.Open →
Inflation calculatorSee how much something will cost in the future with inflation and how much purchasing power you lose over the years.Open →
Logarithm calculatorCalculate logarithms in any base, natural log (ln) and common log, find the base or the argument, and solve simple exponential equations like 2ˣ = 32.Open →
Pizza dough calculatorCalculate the flour, water, salt, yeast and olive oil for pizza dough from the number of pizzas, the weight of each ball and the hydration you want.Open →
Matrix calculatorCalculate the determinant, inverse, transpose, sum, difference and product of matrices up to 6×6, with fractions when the result isn't a whole number.Open →
Final grade calculator (what do I need?)Find out the grade you need on your last test to pass, with a simple or weighted average.Open →
Molarity calculator (mol/L)Calculate the molarity of a solution, the mass of solute to prepare a volume or the volume needed. Type the chemical formula and the molar mass is calculated for you.Open →
Wallpaper calculatorCalculate how many rolls of wallpaper to buy from the width and height of your walls, minus doors and windows, taking the pattern repeat into account.Open →
pH and pOH calculatorCalculate pH, pOH, [H⁺] and [OH⁻] from any one of them or from the concentration of a strong acid or base, and see whether the solution is acidic, neutral or basic at 25 °C.Open →
Tile and flooring calculatorCalculate how many tiles and boxes of flooring, porcelain or wall tile to buy, with waste, thinset and grout.Open →
Tire size calculator (compare sizes and rims)Compare two tire sizes, like 185/65 R15 and 195/55 R16: diameter, sidewall height, circumference, revolutions per km and the speedometer error when you change rims or tires.Open →
Percentage calculatorWhat is X% of Y, increases, discounts and percent change.Open →
Wall plaster and mortar calculatorCalculate the mortar for scratch coat, base coat and finish coat on walls: volume per layer, bags of cement, sand and lime from the mix, or bags of premixed mortar, with waste included.Open →
ROI calculatorCalculate the return on investment (ROI) of campaigns, equipment or projects, with annualized ROI and payback period.Open →
Sample size calculatorCalculate how many people to survey from the confidence level, margin of error and population size, or find the margin of error of a sample you already have.Open →
Website conversion rate calculatorCalculate the conversion rate of your website or online store (sales, orders or leads divided by visits), the revenue, the revenue per visit and how much you would earn if conversion went up. It also works out how many visits you need to hit a sales goal.Open →
Roof tile calculatorCalculate how many roof tiles to buy (clay, concrete or fiber cement) from the area, the roof pitch and the waste.Open →
Brick and block calculatorCalculate how many bricks, concrete blocks or clay blocks to buy for a wall, minus doors and windows, with waste and mortar.Open →
Paint calculatorCalculate how many liters and cans of paint to buy to paint walls and ceiling, minus doors and windows.Open →
Kinematics calculator (constant acceleration)Solve constant acceleration problems: enter three of initial velocity, final velocity, acceleration, time and displacement and calculate the others with the equations of motion and Torricelli's equation.Open →
First million calculatorHow long until you reach your first million.Open →
Find the interest rate of an installment purchaseFind the interest hidden in installment plans: enter the cash price, the number of installments and the amount of each.Open →
EV charging time and cost calculatorCalculate how long it takes and how much it costs to charge an electric car: battery size, current and target percentage, charger power (outlet, wallbox or fast charger) and rate. See the miles/km added too.Open →
Rainfall in litersConvert millimeters of rain into liters and calculate how much rainwater your roof can collect (area × rainfall × runoff coefficient), in liters, m³ and water tanks.Open →
Operating cycle, cash conversion cycle and working capitalCalculate days inventory outstanding, days sales outstanding and days payable outstanding, the operating cycle, the cash conversion cycle and your company's working capital needs.Open →
Capacitor code: 104, 103, 473 and moreFind the value of a ceramic or film capacitor from its printed code, such as 104, 103J, 473K or 2A104J, in pF, nF and µF, with tolerance and voltage, or get the code from the value.Open →
Resistor color codeFind a resistor's value from its color bands (4, 5 or 6 bands), with tolerance and temperature coefficient, or find the colors from the value in ohms.Open →
RC time constant calculatorCalculate the time constant τ = R × C of an RC circuit, the capacitor voltage during charge and discharge at any moment, the time to reach a voltage and the filter cutoff frequency, with a chart of the curve.Open →
Electricity usage calculatorFind out how much electricity each appliance uses per month in kWh and in dollars.Open →
Angle converterConvert angles between degrees, radians, gradians, turns and degrees, minutes and seconds (DMS), with the sine, cosine and tangent of the angle and the equivalent angle between 0° and 360°.Open →
Fuel economy converter (mpg, L/100 km and km/L)Convert fuel economy between miles per US gallon (mpg US), imperial gallon (mpg UK), km/L and liters per 100 km, handy for comparing cars and tests from other countries.Open →
Energy converter (J, cal, kWh, BTU)Convert energy units: joule, kilojoule, calorie, kilocalorie, watt-hour, kilowatt-hour, BTU, electronvolt and erg, with every conversion at once.Open →
Yeast converterConvert fresh, active dry and instant yeast: find out how many grams of dry yeast replace the fresh yeast in a recipe and vice versa.Open →
Cooking measurement converterConvert cups, tablespoons and teaspoons into grams and milliliters for flour, sugar, butter, milk, rice and other ingredients.Open →
Unit converterConvert length, weight, volume, area and temperature.Open →
Pressure converter (psi, bar, atm, kPa)Convert pressure units: pascal, kilopascal, bar, psi, atmosphere, mmHg, kgf/cm², meter of water column and inch of mercury, all at once.Open →
Clothing size converterConvert clothing sizes between Brazil, the US, Europe and the UK, for women and men: Brazilian PP, P, M, G and GG, sizes 36 to 50, and XS to XXL.Open →
Temperature converter (Celsius, Fahrenheit, Kelvin)Convert temperatures between Fahrenheit, Celsius, Kelvin and Rankine instantly, with the formula and a reference table.Open →
Speed converter (km/h, m/s, mph, knots)Convert speeds between km/h, m/s, miles per hour, knots, feet per second and Mach, with all units at once.Open →
UTM coordinate converterConvert geographic coordinates (latitude and longitude) to UTM and from UTM back to latitude and longitude, with zone, hemisphere, easting and northing, on the GRS 80 / WGS 84 ellipsoid, and see them in degrees, minutes and seconds too.Open →
Cake pan size converterSwitch the pan in your recipe: compare the area of round, square and rectangular pans and find out how much to multiply the ingredients for a cake, pie or flan.Open →
Trip cost calculatorHow much you will spend on fuel and tolls.Open →
Day of the week calculatorFind out which day of the week any date fell or will fall on, such as the day you were born, and see which weekday your birthday will be in the coming years.Open →
How many days old am ISee how many days, weeks, hours, minutes and seconds you have lived, with a live counter, and the dates of milestones like 10,000 and 20,000 days old.Open →
Braking distance calculatorCalculate a car's stopping distance: the part covered during the reaction time and the braking part, on dry, wet, dirt or icy roads, with a table for several speeds.Open →
Distance to the horizonCalculate how far you can see from a given height, such as from a beach, a building, a hill or a plane, with and without atmospheric refraction, the maximum distance to see a tall object and how much of it is hidden by the curvature of the Earth.Open →
Distance between coordinatesCalculate the straight-line distance between two points from their latitude and longitude, in kilometers, miles and nautical miles, with the bearing from one point to the other and the midpoint, using the haversine formula.Open →
Electron configuration (Aufbau diagram)Write the electron configuration of any element or ion with the Aufbau (Madelung) diagram: energy order, noble gas shorthand, K to Q shells and valence shell.Open →
Split the billSplit the bar or restaurant bill among friends, with the tip, cover charge and a smaller share for those who did not drink.Open →
Voltage divider calculatorCalculate the output voltage of a two-resistor divider, with or without a load, the current and power in each resistor, and find the closest pair of standard resistors (E24 series) for the voltage you need.Open →
Kinetic and potential energy calculatorCalculate the kinetic energy (½mv²), gravitational potential energy (mgh) and mechanical energy of a body, and see its speed when falling and the height it reaches when going up.Open →
Quadratic equation solverSolve quadratic equations with the quadratic formula, step by step, and see the graph.Open →
Online cash flow trackerSimple cash flow tracking for freelancers and small businesses: record money in and out, see the month's balance by category and export to CSV.Open →
Cattle weight gain calculator (ADG)Calculate cattle average daily gain (ADG) between two weighings, the arrobas (15 kg of carcass) produced in the period and how many days are left until the animal reaches slaughter weight.Open →
Ethanol or gasoline (flex fuel)Find out which fuel is the better deal for a flex-fuel car.Open →
Electric shower cost calculatorCalculate how much an electric shower costs in electricity and water per month: power, shower length, showers per day and rate. See how much you save with shorter showers or summer mode.Open →
Dog, cat and other animal pregnancy calculatorCalculate the likely due date of a dog, cat, rabbit, pig, sheep, goat, cow or mare from the mating date, with the birth window and which day of pregnancy she's on.Open →
Online graphing calculator (plot functions)Plot math functions: lines, parabolas, polynomials, exponentials, logarithms and trig functions, up to 4 functions together. Adjust the x and y range, read the points by hovering and download as PNG or SVG.Open →
Convert hours to decimalConvert hours and minutes to decimal hours (8:30 = 8.5) and back, with a minutes table and pay calculation by the hour.Open →
Age on other planetsFind out how old you'd be on Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto and when your next birthday on each planet will be.Open →
Roof pitch calculatorConvert roof pitch between percentage, degrees and x:12 ratio, calculate the ridge height from the span and the true roof area with the pitch factor.Open →
Confidence interval calculatorCalculate the confidence interval for a mean (with Student's t or the normal distribution) or a proportion, from summary data or a pasted list of numbers.Open →
Compound interestSee how much your money grows with monthly contributions.Open →
Simple interest calculatorCalculate simple interest, final amount, rate or time, with the I = P × r × t formula explained.Open →
Projectile motion simulatorCalculate range, maximum height and time of flight of an oblique or horizontal launch from the speed, angle and initial height, with a drawing of the trajectory.Open →
Ohm's Law calculatorEnter two values among voltage, current, resistance and power and calculate the other two with Ohm's Law (V = R × I) and the power formula (P = V × I).Open →
Ideal gas law calculatorSolve the ideal gas equation (PV = nRT) and the combined gas law (P1V1/T1 = P2V2/T2): enter the known values in atm, kPa, mmHg, liters and °C and find what's missing.Open →
Molar mass calculatorType a chemical formula, like H2SO4, Ca(OH)2 or CuSO4·5H2O, and see the molar mass in g/mol, the percent composition of each element and the mass of any number of moles.Open →
Weighted decision matrixCompare options with criteria and weights to make tough decisions: score each alternative, adjust how much each criterion matters and see the final score and ranking.Open →
Average calculatorMean, weighted average, median and mode.Open →
LCM and GCD calculatorCalculate the least common multiple and greatest common divisor of several numbers, with the prime factorization.Open →
Plant spacing calculator (plants per area)Calculate how many seedlings, plants or seeds fit in a plot, bed or hectare from the row spacing and plant spacing, in square, rectangular or triangular (quincunx) planting.Open →
Late fee and interest calculatorCalculate how much to pay on an overdue bill, rent or invoice: a late fee plus daily interest prorated by the days late.Open →
Week number of the yearSee which week of the year it is today or on any date, using the ISO 8601 standard, with the day of the year, the days left and a list of every week with its start and end dates.Open →
Number to wordsWrite numbers and dollar amounts in words.Open →
Prime numbers and factorizationFind out if a number is prime, factor it into primes, see all its divisors and list the primes up to any limit.Open →
Roman numeral converterConvert numbers to Roman numerals and back.Open →
Travel budget calculatorPlan how much money to take on your trip: flights, lodging, food, transportation, tours, insurance and shopping, per person and per day, with currency conversion.Open →
Weight on other planetsFind out how much you'd weigh on the Moon, Mars, Jupiter and the other planets of the Solar System, with each one's gravity and how high you could jump.Open →
Inclined plane calculatorCalculate the forces on an inclined plane: weight, parallel and normal components, friction, the block's acceleration and the force to push it up the ramp, with or without friction.Open →
Simple online floor plan makerDraw a simple floor plan to scale: place the rooms (living room, bedrooms, kitchen, bathroom, laundry, balcony, garage), drag them, set the sizes in meters and see the area of each room and the total area. Download as PNG or SVG.Open →
Inches to millimeters (fractions)Convert inches to millimeters and millimeters to inches, including fractions like 1/4", 3/8", 1/2" and 1 1/4", with a chart of sizes for wrenches, drill bits, pipes and bolts.Open →
Break-even point calculatorCalculate how many units to sell and how much revenue you need each month to cover all your costs, with contribution margin and margin of safety.Open →
Reorder point and safety stock calculatorKnow when to place your next order with the supplier: reorder point, safety stock, days of coverage and economic order quantity.Open →
Baker's percentage calculatorCalculate the baker's percentage of each ingredient relative to the flour and the dough hydration, and scale your bread recipe to a different amount of flour or total weight.Open →
Selling price calculatorFind out what price to sell at with profit, taxes and fees.Open →
Price per square foot and square meterCalculate the price per square foot or square meter of houses, apartments and land and compare several properties side by side: price, area, price per unit of area and HOA fee per unit, to see which is cheapest.Open →
Stock average cost calculatorWork out the average cost of your stocks, ETFs, funds or crypto from your buys and sells, including fees, the realized gain or loss on each sale and the result at market price.Open →
Arithmetic and geometric sequence calculatorFind the general term, the nth term and the sum of the terms of arithmetic and geometric sequences, with the list of terms and the sum of an infinite geometric series.Open →
Coffee to water ratio calculatorHow much ground coffee to use for each cup: the coffee to water ratio for drip, French press, moka pot, espresso and cold brew.Open →
Punnett square calculator (genetic cross)Build the Punnett square for a monohybrid, dihybrid or trihybrid cross, such as Aa × Aa or AaBb × AaBb, and see the genotype and phenotype ratios of the offspring.Open →
Unit price calculator (price per pound, ounce or liter)Compare different package sizes at the store and find out which is cheaper by the price per pound, ounce, kilo, liter, meter or unit, and how much you save by picking the best one.Open →
Power bank charge calculatorFind out how many times a power bank charges your phone, earbuds or tablet, taking into account the 3.7 V cell voltage and conversion losses, and how long each charge takes.Open →
Video storage calculatorWork out how many minutes or hours of video fit on your phone, memory card, flash drive or hard drive, by recording resolution and format (1080p, 4K, HEVC or H.264) or by bitrate.Open →
Website pricing calculator (for freelancers)Work out how much to charge for a website, landing page or online store: hours for each stage, your hourly rate, the costs of domain, hosting, plugins and themes, taxes and a buffer for surprises. See the project price, the deposit, the installments and a monthly maintenance fee.Open →
Voltage drop calculatorWork out the voltage drop in an electrical circuit from the cable length, wire size, current or power, in single-phase or three-phase circuits, with AWG or mm² wire sizes, compare it with the usual 3% and 5% limits and see the smallest wire size that meets them.Open →
Free fall calculatorWork out the fall time, impact speed and height in free fall, on Earth, the Moon or Mars, with a table of position and speed at each moment.Open →
Portfolio rebalancing calculatorEnter how much you have in each asset class and the target percentage, and see how much to buy or sell of each one to get back to your target allocation, or how to split a new contribution without selling anything.Open →
Vehicle cost per mile calculatorWork out the cost per mile to reimburse someone who uses their own car or motorcycle for work: fuel plus wear and tear, maintenance and depreciation.Open →
50/30/20 budget ruleSplit your income with the 50/30/20 rule: how much goes to needs, wants and savings or paying off debt.Open →
Rule of three calculatorSolve direct and inverse proportions.Open →
Compound rule of threeSolve compound rule of three problems with up to 4 quantities, directly or inversely proportional, with the math step by step.Open →
Rule of 72 (time to double your money)Find out how long an investment takes to double, triple or grow tenfold at a given interest rate, with the rule of 72 and the exact calculation, or what rate you need to double it in a given time.Open →
Linear regression and correlation calculatorPaste X and Y value pairs and get the regression line (y = a + bx), Pearson's correlation coefficient, R², predictions and a scatter plot with the trend line.Open →
Real rate of return calculator (after inflation)Find out how much your investment really earned after inflation, using the Fisher equation, and how much it needs to earn to beat inflation plus the real return you want.Open →
LED resistor calculatorWork out the right resistor for one or more LEDs in series: enter the supply voltage and the LED voltage and current, and see the resistance, the standard value and the power rating.Open →
Online wheel of lifeMake your wheel of life: rate health, career, finances, relationships and other areas from 0 to 10, see the radar chart and download the image to track your progress.Open →
Loan amortization calculatorPayments with fixed installments or constant principal.Open →
System of equations calculatorSolve linear systems of 2 or 3 equations with 2 or 3 unknowns, with determinants (Cramer's rule) and the classification of the system.Open →
Add up employment periodsAdd up several periods of work (jobs, freelancing, internships) and see the total time in years, months and days, without counting overlapping periods twice.Open →
Shoe size converter (US, UK, Europe)Convert shoe and sneaker sizes between the United States (men's and women's), the UK, Europe, Brazil and centimeters.Open →
Interactive periodic tableThe complete periodic table with all 118 elements: click to see the atomic number, atomic mass, family, period and group, and search by name or symbol.Open →
Online multiplication tableMultiplication, division, addition and subtraction tables from 1 to 10 (or any number), printable and with a practice game for kids.Open →
Paper sizes (Letter, Legal, A4, A3)Chart of paper sizes in the A, B and C series (A4, A3, A5, B5, C4...) and the Letter, Legal and Tabloid formats, in millimeters, centimeters, inches and pixels at the resolution you choose.Open →
Equivalent interest rate calculatorConvert compound interest rates between day, month, quarter, half year and year: find out what 1% a month is per year and vice versa.Open →
Pasture stocking rate calculatorCalculate your pasture's stocking rate in animal units per acre (AU/acre): enter your groups of animals with their average weight and the area, and see the AUs, the live weight per acre and how many head fit your target stocking rate.Open →
Download time calculatorHow long it takes to download or upload a file, game or movie on your internet connection: enter the size in GB or MB and the speed in Mbps.Open →
Pythagorean theorem and right triangle calculatorCalculate the hypotenuse or a leg with the Pythagorean theorem and see the angles, area, perimeter and height of the right triangle, with a drawing and step-by-step work.Open →
Potting soil calculatorCalculate how many quarts of potting soil fit in a round or square pot or a planter box, and how many bags to buy to fill several pots, subtracting the drainage layer.Open →
1099 vs W-2 calculator (contractor vs employee pay)Compare a W-2 salary with a 1099 contractor rate: self-employment tax vs FICA, the value of employer benefits like health insurance, 401(k) match and paid time off, and the hourly rate a 1099 job must pay to match the W-2 offer.Open →
401(k) calculatorSee how much your 401(k) can grow by retirement with your contributions, your employer match, salary raises and the 2026 contribution limit.Open →
APR to APY calculatorConvert APR to APY and APY to APR with daily, monthly, quarterly or yearly compounding, and see the interest earned on a deposit.Open →
Auto loan calculatorCalculate your monthly car payment with price, down payment, trade-in, sales tax, fees, APR and loan term, plus total interest.Open →
Board foot calculatorCalculate board feet of lumber from thickness, width and length, for one board or many, and the total price.Open →
Bonus tax calculatorSee how much of your bonus you keep after federal withholding (22% supplemental rate), Social Security, Medicare and state tax.Open →
Capital gains tax calculatorEstimate the federal tax on selling stocks, crypto or property: short-term vs long-term rates (0%, 15%, 20%) and the 3.8% net investment income tax.Open →
Car lease calculatorCalculate your monthly car lease payment from the MSRP, negotiated price, down payment, residual value, money factor or APR, term and sales tax, and compare the total cost of leasing with buying on a loan.Open →
Closing costs calculatorEstimate the buyer's closing costs on a home purchase: lender fees, appraisal, title insurance, transfer taxes and prepaid taxes and insurance, plus cash to close.Open →
Credit card payoff calculatorSee how long it takes to pay off a credit card and how much interest you will pay, or what monthly payment clears it by a target date.Open →
When does daylight saving time start and end?See when daylight saving time starts and ends in the United States this year and in the next years, how many days are left until the next clock change, and which states and territories don't change their clocks.Open →
Debt snowball vs avalanche calculatorList your debts and see how long it takes to pay them all off with the debt snowball (smallest balance first) and the debt avalanche (highest interest first), how much interest each method costs, and the payoff order month by month.Open →
Debt-to-income (DTI) ratio calculatorCalculate your front-end and back-end debt-to-income ratio, the numbers lenders use to approve a mortgage, car loan or personal loan.Open →
Deck calculator (boards, joists and screws)Estimate the materials for a deck: decking boards in 8, 12 or 16 ft lengths, joists at 12 or 16 inches on center, deck screws or hidden fasteners, and the cost, from the deck size and board width.Open →
Drywall calculatorEstimate how many drywall sheets you need for a room's walls and ceiling, minus doors and windows, plus joint compound, tape and screws. Choose 4×8, 4×10 or 4×12 sheets.Open →
Federal holidays calendar (2026, 2027 and any year)See the 11 U.S. federal holidays for any year with the day of the week, the observed date when the holiday falls on a weekend, and how many days are left until each one. Download the list as a calendar file.Open →
Federal income tax calculatorEstimate your 2026 federal income tax with the new brackets and standard deduction, and see your marginal and effective tax rate.Open →
Feet and inches calculatorAdd and subtract lengths in feet, inches and fractions (like 5' 7 3/8"), multiply or divide them, and convert to inches, centimeters and meters.Open →
FICA tax calculator (Social Security and Medicare)Calculate the Social Security and Medicare (FICA) taxes taken from your paycheck, including the wage base cap and the additional Medicare tax.Open →
Gas cost trip calculatorCalculate how much gas a road trip will cost from the distance in miles, your car's MPG and the price per gallon. Round trip, split the cost among passengers and see the gallons and fill-ups you need.Open →
HELOC and home equity calculatorFind out how much you can borrow against your home with a HELOC or home equity loan from the home value, mortgage balance and the lender's maximum combined loan-to-value (CLTV), and estimate the interest-only and repayment payments.Open →
Home affordability calculatorFind out how much house you can afford from your income, debts, down payment and mortgage rate, using the 28/36 rule lenders follow.Open →
Mileage reimbursement calculator (IRS rate 2026)Calculate mileage reimbursement or the mileage deduction with the IRS standard mileage rates for 2026: business, medical and moving, and charitable miles, including the midyear change on July 1, 2026. Add trips and round trips and get the total.Open →
Military time converterConvert military time (24-hour clock) to standard AM/PM time and back, see how to say it out loud, and check the full military time chart from 0000 to 2359.Open →
Mortgage calculatorEstimate your monthly mortgage payment with principal, interest, property tax, homeowners insurance, PMI and HOA, plus the total interest over the loan.Open →
Mulch calculatorCalculate how much mulch, soil or gravel you need in cubic yards and bags from the bed area and depth in feet and inches.Open →
Overtime calculatorCalculate overtime pay at time and a half or double time, and your total pay for the week.Open →
Paycheck calculatorEstimate your take-home pay per paycheck after federal income tax, Social Security, Medicare, state tax and 401(k), with 2026 tax brackets.Open →
Property tax calculatorEstimate your yearly and monthly property tax from your home value and your state's average effective rate, with exemptions like the homestead exemption.Open →
PTO accrual calculatorCalculate how much paid time off you earn per paycheck or per hour worked, your balance by a date and when you hit the accrual cap.Open →
Quarterly estimated tax calculator (Form 1040-ES)Figure out how much to pay in quarterly estimated taxes for 2026 or 2027 with the IRS safe harbor rules: 90% of this year's tax or 100% of last year's (110% if your AGI was over $150,000), minus withholding. See each payment and its due date.Open →
Refinance break-even calculatorFind out if refinancing your mortgage pays off: compare your current payment with the new one, see the monthly savings, how many months it takes for the savings to cover the closing costs, and the total interest of both loans.Open →
Rent affordability calculator (how much rent can I afford?)Find out how much rent you can afford from your income with the 30% rule, the 40x rent rule landlords use, and a budget based on your take-home pay and monthly debts.Open →
Rent vs buy calculatorCompare renting and buying a home over the years you plan to stay: mortgage, property tax, upkeep, appreciation, selling costs and investing the difference.Open →
RMD calculator (required minimum distribution)Calculate your required minimum distribution (RMD) from an IRA, 401(k) or 403(b) with the IRS Uniform Lifetime Table, find the age your RMDs start under SECURE 2.0 (73 or 75) and project the next years.Open →
Roofing calculator (squares and shingle bundles)Calculate the roof area from the house footprint and roof pitch, convert it to roofing squares and estimate the bundles of shingles, underlayment rolls and cost, with an extra percentage for waste.Open →
Roth IRA calculatorProject your Roth IRA balance at retirement with yearly contributions and growth, and check how much you can contribute in 2026 based on your income.Open →
Salary to hourly calculatorConvert a yearly salary to an hourly wage, or an hourly wage to a yearly, monthly and weekly salary.Open →
Sales tax calculatorAdd sales tax to a price or take it out of a total. Works with any state, county or city rate.Open →
Self-employment tax calculatorCalculate the 15.3% self-employment tax (Social Security and Medicare) for freelancers, 1099 contractors and small business owners, with the 2026 wage base.Open →
Social Security benefits calculatorEstimate your monthly Social Security retirement benefit from your average earnings, and compare claiming at 62, full retirement age or 70.Open →
Square footage calculatorCalculate the square footage of a room, a house or any area: rectangles, L-shapes, triangles and circles, in feet and inches. Add several areas together and get the cost from a price per square foot.Open →
Stair calculatorCalculate the number of steps, riser height, tread depth, total run and stringer length for a staircase from the total rise, and check them against the common residential code limits (7 3/4 in max riser, 10 in min tread).Open →
State income tax calculatorEstimate your state income tax in any of the 50 states and DC: no-tax states, flat-tax states and progressive states, with your effective rate.Open →
Student loan calculatorCalculate your monthly student loan payment, total interest and how much time and money extra payments save.Open →
Tax refund estimatorEstimate your federal tax refund or how much you will owe, from your wages, withholding, filing status and children.Open →
W-4 withholding calculatorCheck whether your paycheck withholding will cover your federal tax and how much extra to withhold per paycheck on your W-4 (Step 4c).Open →

Audio 11

WhatsApp audio to MP3Convert WhatsApp voice messages (.opus, .ogg) to MP3 and play them anywhere.Open →
Bass boosterBoost the bass of songs and audio online with adjustable bass boost, or enhance the treble and voice, without installing anything.Open →
Increase audio volumeMake audio louder (or quieter) and even out the volume of several songs.Open →
Audio converterConvert between MP3, WAV, M4A, OGG, OPUS and FLAC, many files at once.Open →
Audio cutterCut MP3 and other audio files and make ringtones, with smooth fade in and fade out.Open →
Online voice recorderRecord your voice with the microphone and download it as M4A, WebM or WAV.Open →
Reverse audio (play backwards)Reverse songs, recordings and voice messages so they play backwards, right in your browser, without uploading the file.Open →
Merge audio filesCombine several songs or audio files into one MP3, in the order you want and with a smooth crossfade.Open →
Audio pitch changer (deep or high voice)Change the pitch of songs and voices in semitones without changing the speed: make a voice deeper or higher, or change a song's key to sing along.Open →
Change audio speedSpeed up or slow down audio without the voice sounding high-pitched, or change the song's pitch.Open →
Remove silence from audioAutomatically cut the pauses and silences out of recordings, podcasts, lectures and voice messages, making the audio shorter and snappier.Open →

Health 27

Child height predictorEstimate your son's or daughter's adult height from the parents' heights (mid-parental height), with the likely range.Open →
One rep max calculator (1RM)Estimate your one-rep max (1RM) on bench press, squat or deadlift with the Epley, Brzycki and Lombardi formulas and see the weight for each percentage and rep count.Open →
Blood alcohol calculatorEstimate your blood alcohol concentration and how long your body takes to clear the drinks, with the Widmark formula. When in doubt, don't drive.Open →
Caffeine calculatorAdd up the caffeine from the coffee, tea, soda, energy drinks and chocolate you have in a day, compare it with the recommended limit and see how much is still in your body at bedtime.Open →
Macro calculatorCalculate how many calories, protein, carbs and fat to eat per day to lose weight, maintain or gain muscle.Open →
Running pace calculatorCalculate your running pace (min/km), speed and predicted time for 5K, 10K, half marathon and marathon.Open →
Dog and cat food calculatorFind out how many grams of food to give your dog or cat per day from its weight, life stage, activity level and the food's calories.Open →
Sleep calculatorFind the best time to go to bed or wake up based on 90-minute sleep cycles.Open →
BMR calculator (basal metabolic rate)Calculate your basal metabolic rate (BMR) with the Mifflin-St Jeor, Harris-Benedict and Katch-McArdle formulas, and your daily calorie needs.Open →
Pregnancy due date calculatorWeeks of pregnancy and estimated due date.Open →
BMI calculatorBody mass index and the healthy weight range.Open →
Calories burned by activityCalculate how many calories you burn walking, running, cycling, swimming, lifting weights, playing soccer and other activities, from your weight and the exercise time.Open →
Pregnancy weight gain calculatorSee how many kilos are recommended to gain during pregnancy based on your pre-pregnancy BMI, the expected range for the current week and whether your gain is within, below or above it, according to the IOM guidelines.Open →
Daily calorie expenditureBasal metabolic rate and calories to maintain, lose or gain weight.Open →
Body fat calculatorEstimate your body fat percentage with a tape measure, using the U.S. Navy method.Open →
Premature baby corrected age calculatorCalculate a premature baby's corrected age, subtracting the weeks that were missing to reach 40 weeks of pregnancy.Open →
Dog age in human yearsConvert your dog's or cat's age into human years, by the animal's size.Open →
Cat age in human yearsConvert your cat's age into human years with the chart veterinarians use and see its life stage.Open →
Intermittent fasting calculatorPlan your intermittent fasting schedule with the 12:12, 14:10, 16:8, 18:6 or 20:4 protocols: see when your eating window opens and closes and track how long you've been fasting.Open →
Baby formula calculatorEstimate how many ml of infant formula a 0 to 6 month old baby drinks per day and per feeding, by weight and age.Open →
Steps to km and miles converterConvert steps to kilometers and miles, and back, based on your stride length, with calories burned and walking time.Open →
Ovulation and fertile window calculatorCalculate your fertile days and ovulation.Open →
Ideal weight calculatorFind the ideal weight range for your height using BMI and formulas used by dietitians.Open →
How much water to drink a dayA daily water goal based on your weight.Open →
Weight loss time calculatorEstimate how many weeks it will take to reach your goal weight with a daily calorie deficit or a weekly loss target, with the expected date and the recommended pace.Open →
Waist-to-hip and waist-to-height ratioWork out your waist-to-hip ratio (WHR) and waist-to-height ratio (WHtR) and see the cardiovascular risk from abdominal fat, using the WHO cutoffs.Open →
Sweat rate and workout hydration calculatorFind out how much fluid you lose sweating per hour by weighing yourself before and after a workout, your dehydration percentage and how much to drink during and after exercise.Open →

Text 47

Phonetic alphabet speller (Alfa, Bravo, Charlie)Spell names, license plates, codes and reference numbers with the NATO phonetic alphabet (Alfa, Bravo, Charlie) or with common words.Open →
Online notepadJot down anything. It is saved in your browser.Open →
Invisible character (blank space to copy)Copy invisible characters for Free Fire and game nicknames, blank WhatsApp messages, blank Instagram names and spaces that don't disappear.Open →
Caesar cipher and ROT13Encode and decode messages with the Caesar cipher, choosing the shift, or use ROT13. It also shows all 25 attempts to crack the cipher.Open →
Vigenère cipherEncrypt and decrypt messages with the Vigenère cipher using a keyword. Keeps spaces, punctuation and capitals, and handles accented letters.Open →
Binary code translatorConvert text to binary and binary to text.Open →
Morse code translatorTranslate text to Morse code and listen to the sound.Open →
Compare listsPaste two lists and see the items only in the first, only in the second, and in both. Great for names, emails, codes and spreadsheets.Open →
Compare textsSee the differences between two texts.Open →
Character counterCount letters, words and lines instantly.Open →
Letter, vowel and consonant counterCount how many times each letter appears in a text, how many vowels and consonants it has, and see the letter frequency in a chart, with or without accents.Open →
Keyword density checkerCheck the keyword density of a text for SEO: the most repeated words and 2- and 3-word phrases, with counts and percentages.Open →
Split text into partsSplit long texts into smaller parts by the character limit of X (Twitter), Instagram, SMS or WhatsApp, without cutting words and with numbering.Open →
Scramble textScramble the letters of each word (keeping the first and last ones, if you want), the order of the words or all the letters in the text.Open →
Extract numbers from textPull all the numbers out of a text, such as amounts, phone numbers and codes, one per line, with sum, average, maximum and minimum.Open →
Online flashcardsCreate flashcards with questions and answers, study by flipping the cards, mark what you got right and review only the ones you missed.Open →
Acrostic generatorMake an acrostic with any name or word: each letter starts a line, with positive word suggestions for each letter that you can swap and edit. Copy it or download it as an image.Open →
Anagram generatorGenerate every combination of a word's letters, shuffle letters and check whether two words or phrases are anagrams of each other.Open →
Username and nickname generatorGenerate username and nickname ideas for Instagram, TikTok, games and email, from your name or random words.Open →
Domain name ideas generatorGenerate website address ideas from keywords: combinations with common prefixes and suffixes, short versions, with your city or industry, in .com, .net and other extensions, with a direct link to check whether the name is taken.Open →
Readability score (Flesch Reading Ease)Measure how easy your text is to read with the Flesch Reading Ease score, with average sentence length, syllables per word and the longest sentences to review.Open →
Reverse textWrite text backwards.Open →
Join lines and separate with commasTurn a list (one per line) into comma-separated items, with quotes or in SQL IN format, or do the reverse and split into lines.Open →
Speed readingRead faster with the RSVP technique: paste text or open a .txt file and see one word at a time in the center of the screen, from 100 to 1000 words per minute, with a focus letter, light or dark background, font choice, full screen and progress.Open →
Fancy text generatorFancy letters for your Instagram bio and username.Open →
Zalgo text generatorGlitchy text with symbols stacked above and below (zalgo).Open →
Text cleaner (emojis, links and formatting)Clean up text copied from the web, PDFs or WhatsApp: remove emojis, links, emails, HTML tags, numbers, punctuation and line breaks, and replace curly quotes with straight ones.Open →
Online to-do listA simple to-do list with no sign-up: add, check off, reorder and copy. It's saved in your browser for when you come back.Open →
Find and replaceReplace one word with another throughout your text.Open →
Case converterConvert text to uppercase, lowercase or title case.Open →
Online Eisenhower MatrixOrganize your tasks with the Eisenhower Matrix: separate what's urgent and important, move tasks between quadrants and check off what's done. Saved in your browser.Open →
Author name formatter (APA, Vancouver, ABNT)Turn full names into citation author format: APA (Last, F. M.), Vancouver (Last FM), ABNT (LAST, First), initials and short name, for a whole list at once.Open →
Add line numbersPut numbers in front of each line.Open →
Word cloud generatorTurn any text into a cloud of its most used words.Open →
Alphabetical orderSort any list from A to Z.Open →
Online planning poker (estimation cards)Planning poker cards in your browser to estimate stories in meetings in person or by video: Fibonacci, modified Fibonacci, powers of 2 or T-shirt sizes. Pick a card, show it full screen and get the average, median and consensus of the team votes.Open →
Add prefix and suffix to linesAdd text to the beginning or end of every line.Open →
Online sticky notes boardA whiteboard with sticky notes for brainstorming, ideas and planning: create colored notes, write, drag them into groups and download the board as PNG. No sign-up, saved in your browser.Open →
Online retrospective board (sprint retro)Run the sprint or project retrospective on a simple board: what went well, what to improve and action items, or the Start, Stop, Continue and 4Ls formats. Add cards, vote on the most important ones and copy the summary with the actions. No sign-up.Open →
Online kanban boardOrganize tasks and projects on a simple kanban board with To do, Doing and Done columns: add cards, move them between columns and export. No sign-up, saved in your browser.Open →
Online habit trackerTrack your daily habits on a monthly chart: check off the days you did them, see your current streak, your best streak and the percentage for each habit. Saved in your browser and printable.Open →
Remove accentsStrip accents and diacritics from any text.Open →
Remove extra spacesClean up double spaces and leftover line breaks.Open →
Remove duplicate linesClean up lists with repeated items.Open →
Repeat textRepeat a word, phrase or emoji as many times as you want, with a space, line break or another separator, and copy it to WhatsApp or anywhere else.Open →
Symbols to copy and pasteHearts, arrows, stars and special symbols to copy.Open →
Reading and speaking timePaste a text and see how long it takes to read silently and to say out loud (speech, presentation, video script or podcast), with an adjustable speed in words per minute.Open →

Dates and time 21

Hours calculatorAdd hours, find the difference between times and calculate hours worked.Open →
Rising sign, sun and moon sign calculatorFind your rising sign, sun sign, moon sign and midheaven from your date, time and city of birth, with the exact degree of each, calculated from the real position of the Sun, the Moon and the sky when you were born.Open →
Age calculatorExact age in years, months and days.Open →
CalendarYearly calendar with holidays marked.Open →
Zodiac sign compatibilitySee how two signs match in love and friendship: the aspect between them (trine, sextile, square, opposition), the affinity of the fire, earth, air and water elements and a compatibility score, in a light and fun way.Open →
Day counterHow many days are left or have passed between two dates.Open →
CountdownHow long until your event, live.Open →
Time zone converterSee what time it is in other cities around the world and convert a time between time zones, with automatic daylight saving time.Open →
Calendar event creatorCreate an event with title, date, time, location and description and get the link to add it to Google Calendar and Outlook, or download the .ics file for iPhone, Mac and any calendar.Open →
Study schedule generatorBuild an automatic weekly study schedule: enter your subjects, the weight of each one, the days and the hours available, and print the table.Open →
StopwatchOnline stopwatch with laps.Open →
Zodiac decan calculatorFind your decan from your date of birth: which of the three parts of the sign the Sun was in, the exact degree, the decan's ruling planet and the dates of each decan of your sign in the year you were born.Open →
Moon phaseToday's moon phase and the next ones.Open →
Bible reading planBuild your Bible reading plan with dates: the whole Bible in a year or in any time frame, just the Old or New Testament, or Psalms and Proverbs, skipping the days you choose. Print or download it.Open →
Pomodoro timerA Pomodoro timer to study and work with focus.Open →
What day is it todayDay of the year, week of the year, season and the exact time.Open →
Online clock (exact time)A big digital clock with the exact time, seconds and date, in full screen, with a world clock for other cities and a 12- or 24-hour option.Open →
Moon sign calculatorFind your moon sign, the sign the Moon was in when you were born, from your date and time of birth, with the Moon's degree and a warning when it changed signs that day.Open →
Find your zodiac signFind your zodiac sign from your date of birth.Open →
How long have we been togetherFind out how long you have been together in years, months, days, hours and minutes, and see the dates of your next monthly and yearly anniversaries.Open →
Business days calculator (US federal holidays)Count business days between two dates excluding weekends and US federal holidays, or add business days to a date.Open →

Random 18

Secret Santa generatorDraw names for Secret Santa without anyone getting themselves.Open →
Flip a coinFlip a coin and let luck decide.Open →
Printable bingo card generatorGenerate different bingo cards to print, with numbers from 1 to 75 in the B-I-N-G-O format or with your own words, for parties, baby showers, classrooms and events.Open →
Online counter (clicker)Online click counter to count people, laps, reps or items: multiple counters, adjustable step and keyboard shortcuts.Open →
Online dice rollerRoll one or more dice with 4 to 100 sides.Open →
Tournament bracket generator (knockout)Build a knockout tournament bracket with up to 64 teams or players: random draw, automatic byes, click the winner to advance them to the final and print the bracket.Open →
Password generatorCreate strong, random passwords.Open →
Chinese zodiac: find your signFind your Chinese zodiac sign and element from your birth year: Rat, Ox, Tiger, Rabbit, Dragon, Snake, Horse, Goat, Monkey, Rooster, Dog or Pig.Open →
List randomizerShuffle the order of any list.Open →
Random number generatorGenerate random numbers in any range.Open →
Online scoreboardAn electronic scoreboard for two teams with names, colors, periods and a timer. Use it full screen for pickup soccer, volleyball, basketball or board games.Open →
Spin the wheelSpin a wheel with your own options.Open →
Yes or no? (online decision maker)Ask a question and get a random yes or no answer, or maybe, to let chance decide when you're unsure.Open →
Online bingo callerDraw bingo balls without repeats, from 1 to 75 or 1 to 90, with a board of called numbers, the B-I-N-G-O letter, a voice that calls out the number and the history of the latest balls.Open →
Draw a random playing cardDraw cards from a shuffled virtual deck: one or several at a time, with or without jokers, with no repeats until the deck runs out. For games, magic tricks and drawings.Open →
Random name pickerPick one or more names from a list at random.Open →
Random team generatorDraw balanced teams for pickup soccer, volleyball or any game: paste the list from your group chat, set the players per team and each player's skill level.Open →
League table generator (round robin)Generate the fixtures for a round-robin league (everyone plays everyone), single or home and away, enter the scores and see the standings with points, wins, goal difference and goals scored.Open →

Documents 31

Online SWOT analysis makerBuild the SWOT analysis of your company, product or project: strengths, weaknesses, opportunities and threats, one item per line. The 2×2 matrix comes out ready and you download it as PNG or SVG for your business plan or presentation.Open →
Online family tree makerBuild your family tree by clicking: start with the grandparents, add children and grandchildren with + Child and + Sibling, type names and years and drag to rearrange. Each generation gets a color. Download as PNG or SVG, no sign-up.Open →
Email signature generatorCreate a professional email signature with photo, job title, phone and links, ready for Gmail and Outlook.Open →
Word search makerCreate custom printable word searches: type the words, choose the size and directions and get the sheet with the answer key.Open →
Online Business Model CanvasFill in the Business Model Canvas with its 9 blocks: customer segments, value propositions, channels, customer relationships, revenue streams, key resources, key activities, key partners and cost structure. Download the canvas as PNG or SVG.Open →
Online flowchart makerBuild flowcharts by dragging blocks: start and end, process, decision, input and output and document. Connect the blocks with arrows, write Yes and No on the arrows and download as PNG or SVG. No sign-up, saved in your browser.Open →
C4 diagram maker (software architecture)Make C4 software architecture diagrams by clicking and dragging: people, systems, external systems, containers and databases, connected by arrows saying what each one uses. Mermaid code works too. Download as PNG or SVG.Open →
UML activity diagram makerMake UML activity diagrams by clicking and dragging: start, actions, decisions, fork and join bars and end, connected by arrows with yes and no. Mermaid code works too. Download as PNG or SVG, no sign-up.Open →
UML use case diagram makerCreate UML use case diagrams by typing who does what: actors, use cases, the system boundary and include and extend relationships. The drawing appears instantly, with stick figures and ellipses, and you can download it as PNG or SVG.Open →
UML class diagram makerCreate UML class diagrams by clicking and dragging: add classes, interfaces and enums, type the attributes and methods and connect them with association, inheritance, realization, composition or aggregation. You can also write Mermaid code. Download as PNG or SVG, no sign-up.Open →
State diagram maker (state machine)Draw state diagrams (UML state machines) by clicking and dragging: start, states, choices and end, connected by transitions named after the event. Mermaid code works too. Download as PNG or SVG, no sign-up.Open →
Fishbone diagram maker (Ishikawa)Build an Ishikawa diagram, also called fishbone or cause and effect diagram: type the problem and the causes in each category (the 6Ms: method, machine, manpower, material, environment and measurement). The drawing appears instantly and downloads as PNG or SVG.Open →
Network diagram makerDraw your network diagram by clicking and dragging icons: internet, firewall, router, switch, Wi-Fi, servers, computers, laptops, phones and printers, connected by cable or wireless. Mermaid code works too. Download as PNG or SVG.Open →
UML sequence diagram makerBuild UML sequence diagrams by clicking: add participants and actors, create messages by clicking the sender and the receiver and pick call, reply or asynchronous. Drag to change the order. Mermaid code works too. Download as PNG or SVG.Open →
Online Venn diagram makerMake Venn diagrams with 2 or 3 sets: name the circles, write what belongs only to each one and what sits in the overlaps. Great for comparing things, school projects and presentations. Download as PNG or SVG.Open →
Entity relationship diagram (ERD) makerBuild the entity relationship diagram (ERD) of your database by clicking and dragging: tables with fields, PK and FK keys and one to one, one to many and many to many relationships in crow’s foot notation. Mermaid code works too. Download as PNG or SVG.Open →
Household chore chartSplit household chores fairly among the people who live in the house: give each chore a weight, shuffle and see the weekly rotating schedule, so everyone does a bit of everything. Print it and stick it on the fridge.Open →
Online Mermaid editor (text to diagram)Write Mermaid code and see the diagram instantly: flowchart, sequence, class, state, ER, Gantt, pie, user journey, quadrant, git graph and mind map. Download as PNG or SVG, no sign-up.Open →
Math worksheet generatorGenerate printable addition, subtraction, multiplication and division worksheets, with as many digits as you want and an answer key.Open →
Online chart maker (bar, line and pie)Create bar, column, line, area, pie and donut charts from a table: type it or paste from Excel or Google Sheets, with one or several series. Title, colors, values on the bars and download as PNG or SVG. No sign-up.Open →
Online sales funnel chart makerBuild a sales or marketing funnel chart with the stages and the number for each one: visitors, leads, proposals, sales. See the conversion rate between stages and the overall conversion, and download the funnel as PNG or SVG.Open →
Online Gantt chart maker (project schedule)Build your project schedule as a Gantt chart: add the tasks, group them into phases and drag the bars on the calendar to change the start and the duration, or edit them in the table. Weekends and today are marked. Download as PNG or SVG.Open →
Online timeline makerCreate timelines online: add the events with the date and what happened, drag the cards to change the order and add a title. The cards alternate above and below, each in its own color. Download as PNG or SVG, no sign-up.Open →
Printable attendance sheetCreate a monthly attendance or roll call sheet to print, with student or participant names and the weekdays already filled in.Open →
Classroom seating chart makerBuild your class seating chart: paste the student list, choose rows and columns, arrange alphabetically or randomly, swap students between desks and print.Open →
Online mind map makerCreate mind maps online by clicking: type the central idea and add branches and sub-branches with + Child and + Sibling (or Tab and Enter). Each branch gets a color, and you can drag an idea to another branch. Download as PNG or SVG, no sign-up.Open →
Online risk matrix (likelihood × impact)Build the 5×5 risk matrix of a project or company: type each risk with its likelihood and impact from 1 to 5 and see where it lands on the heat map, with its level (low, medium, high or critical) and a sorted list. Download as PNG or SVG.Open →
Printable name tracing worksheetMake dotted name tracing sheets for kids to practice writing: type the name, choose uppercase or lowercase print letters and print with handwriting lines.Open →
Online quote makerBuild a quote with items and a total to send to your customer.Open →
Online org chart makerMake your company org chart by clicking: add departments and people with + Child and + Sibling, type the role and the name and drag a box onto another to change who reports to whom. Download as PNG or SVG, no sign-up.Open →
SQL to ER diagram (CREATE TABLE to ERD)Paste the CREATE TABLE statements of your database (MySQL, PostgreSQL, SQLite, SQL Server) and get the entity relationship diagram: tables, columns, types, primary, foreign and unique keys, and the links between tables. Download as PNG or SVG.Open →

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Instagram engagement rate calculatorCalculate the engagement rate of an Instagram or TikTok post or profile with likes, comments, saves and shares.Open →
WhatsApp product catalog (free, with cart)Build an online catalog for your shop with photos, prices and categories and get a link to send on WhatsApp or put in your Instagram bio. Customers pick products and quantities, see the total and send the order, ready to go, to your WhatsApp. No sign-up, no monthly fee and no server: the catalog lives inside the link.Open →
Social media character counterCount the characters in your text and instantly see whether it fits an Instagram caption, TikTok, X, YouTube, LinkedIn or your bio.Open →
Instagram bio generatorCreate your business's Instagram bio in seconds: enter what you do, your city and what sets you apart and choose from several options of up to 150 characters.Open →
Instagram hashtag generatorGenerate hashtags for Instagram and TikTok by your business type and city: popular, niche and local, ready to copy.Open →
Instagram caption line breaksKeep your Instagram caption's blank lines and paragraphs exactly as you wrote them. Instagram won't squash everything into one block anymore.Open →
WhatsApp link generatorCreate a wa.me link with a ready message.Open →
Who doesn't follow me backFind out who doesn't follow you back on Instagram without giving your password to anyone, using the file Instagram itself sends you.Open →

Developer 184

WhatsApp booking widget for websites (service, day and time)Add a booking widget to the website of your salon, barbershop, beauty clinic, studio or repair shop: the customer picks the service, the day and the time and sends the request, ready to go, to your WhatsApp. You set the services, the opening days and the time slots. No server, no monthly fee and no sign-up.Open →
Page SEO checker (HTML)Paste the HTML of a page and see what is missing for SEO: title, meta description, H1, heading structure, images without alt, canonical, Open Graph, language, viewport, links and structured data.Open →
URL parser and query parametersSplit a URL into protocol, domain, path and parameters, see each parameter decoded (UTM, fbclid, gclid) and get the clean URL.Open →
Scroll reveal animation (pure CSS)Generate the effect of elements appearing as the page scrolls (scroll reveal) in pure CSS, with animation-timeline: view(): fade in, slide up, slide in from the sides, grow or unblur, with adjustable distance and scroll range, and without hiding anything in browsers that do not support it yet.Open →
Delivery area checker for websites (neighborhood and fee)Add a field to the website of your delivery business, pizzeria, grocery store or shop where customers type their neighborhood and instantly see whether you deliver there, the fee and the delivery time. You write the list of areas you serve and get ready-made HTML, CSS and JavaScript, with no server and no monthly fee, plus an order-on-WhatsApp button.Open →
Announcement bar for websites (top banner)Create the announcement bar that sits at the top of your website to promote a sale, free shipping, holiday hours or news: text, link, colors, a close button that remembers the choice and an option to show it only until a date.Open →
Progress steps bar for websites (HTML and CSS stepper)Generate a steps bar (stepper) for checkout, multi-part sign-up, order tracking or how it works sections: numbered steps, the current step highlighted, completed ones with a check mark, horizontal or vertical. Semantic HTML with aria-current, pure CSS and your brand colors.Open →
Free shipping progress bar for online storesGenerate the "you are $30 away from free shipping" progress bar for your online store cart: minimum amount, messages before and after reaching it, colors and a function to update it with the cart total. Plain HTML, CSS and JavaScript.Open →
Reading progress barGenerate the thin bar at the top of the page that shows how much of the article has been read: built with CSS scroll-driven animations and a fallback script for browsers without support. Choose the color, height and position.Open →
Base64 encoder and decoderEncode and decode text to and from Base64.Open →
Dark mode toggle button for websitesGenerate the light and dark theme toggle for your website: it follows the system theme by default, remembers the visitor's choice, does not flash the wrong theme on load and uses CSS variables and color-scheme to switch every color at once.Open →
Back to top buttonGenerate a floating back-to-top button for your website: it appears after scrolling, with your choice of position, colors, size and shape, smooth scrolling that respects reduced motion and focus moved back to the start of the page.Open →
Floating WhatsApp button for websitesGenerate the code for a floating WhatsApp button for your website: number, pre-filled message, position, color, size and text bubble. Copy the HTML and paste it before </body>, no plugin.Open →
Social share buttons for websitesGenerate share buttons for your website or blog: WhatsApp, Facebook, X, LinkedIn, Telegram, Pinterest, email and copy link, plus the phone's native share menu. Official share links, no third-party scripts and no tracking.Open →
CSS alert and notice boxes (info, success, warning, error)Generate notice boxes for your website or blog: info, success, warning, error and tip, with icon, title, text and an optional close button. Choose the style and colors, see the preview and copy the accessible HTML and CSS, no library needed.Open →
Chmod calculatorBuild Linux file permissions by checking boxes and see the number (755, 644) and the rwxr-xr-x format.Open →
CSS clamp() calculator for fluid typographyCalculate the CSS clamp() for text and spacing that grows with the screen width: enter the size on mobile and on desktop and the screen widths, and copy the value in rem, with a preview and a zoom accessibility warning.Open →
RAID calculatorCalculate usable space, redundancy and how many drives can fail in RAID 0, 1, 5, 6 and 10, from the number and size of the drives (HDD or SSD) in your NAS or server.Open →
IP subnet calculator (CIDR)Calculate the mask, network address, broadcast, usable IP range and number of hosts of an IPv4 network in CIDR notation, like 192.168.1.0/24.Open →
Digital business card (page with a save contact button)Create your digital business card: a lightweight page with photo, name, job title, company and buttons for WhatsApp, call, email, Instagram, website and address, plus a Save contact button that downloads the vCard to the phone's contacts. Download the HTML to publish and create the QR code to print.Open →
Website launch checklist (before you publish)A list of everything to check before putting a website live: SEO, Google Search Console, mobile, speed, accessibility, privacy, forms, contact buttons, favicon, link preview, 404 page, HTTPS and redirects. Tick what you have done, see your progress and download the list. Each item links to a tool that solves it.Open →
Pull quote in HTML and CSS (blockquote)Generate a highlighted quote for your website or blog: a customer quote, an interview excerpt or a pull quote in the middle of the text, with big quotation marks, author and title, in five styles and your brand colors. Semantic HTML with blockquote and figcaption, light CSS, ready to paste.Open →
Base32 encode and decodeConvert text to Base32 (RFC 4648) and back, with or without = padding, with support for accents in UTF-8. Handy for 2FA keys, file names and identifiers.Open →
URL encodeEncode and decode URLs (percent-encoding).Open →
Google Fonts pairingsTry Google Fonts pairings for your website's headings and body text: pick a ready-made pair or build your own, see the preview with your text and copy the loading link and the CSS.Open →
Compare JSON (diff)Compare two JSON documents and see exactly what was added, removed or changed, field by field, ignoring key order.Open →
Countdown timer for websitesGenerate the code for a countdown to paste into your website, landing page or online store: days, hours, minutes and seconds until a sale, launch or event, with the right time zone, colors and a message when it ends.Open →
Color contrast checker (WCAG)Check whether your text color has enough contrast with the background under the WCAG AA and AAA accessibility rules, with a live preview.Open →
Number base converterConvert between decimal, binary, octal and hexadecimal.Open →
camelCase, snake_case and kebab-case converterConvert names and text to camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE and other formats used in programming.Open →
Byte converter (KB, MB, GB, TB)Convert between bytes, KB, MB, GB and TB, in decimal (1000) and binary (1024), and calculate download time.Open →
Color converterConvert colors between HEX, RGB, HSL and CMYK and see lighter and darker shades.Open →
IP converter (IPv4 and IPv6)Convert IPv4 addresses to decimal, hexadecimal and binary and back, expand and compress IPv6, generate the mapped IPv6 and see whether the IP is private, public or reserved.Open →
Timestamp converterConvert a Unix timestamp to a date and back.Open →
Punycode converter (international domain names)Convert domain names with accents, special letters and emojis to Punycode (xn--) and back, such as café.com to xn--caf-dma.com, one domain per line.Open →
HEX color to Tailwind classFind out which color in the default Tailwind CSS (v3) palette is closest to your HEX or RGB color, with the perceptual distance and the five nearest options, or use the exact value with bracket syntax.Open →
Modern CSS reset generatorBuild the CSS reset for your project by ticking what you want: box-sizing border-box, zeroed margins, responsive images, inherited fonts in forms, long word breaking, safe smooth scrolling and reduced motion. Every rule comes with an explanation.Open →
CSV to JSONConvert CSV to JSON and JSON to CSV, with separator detection (comma, semicolon or tab).Open →
CSV to SQL (INSERT and CREATE TABLE)Convert CSV or data copied from Excel into SQL INSERT statements, with CREATE TABLE and automatically detected types, for MySQL, PostgreSQL, SQLite and SQL Server.Open →
Discount coupon box for websites (one-click copy)Generate the coupon box for your website or online store: highlighted code, a button that copies it in one click and confirms "Copied!", discount text, an expiry date that hides the coupon on its own and a cut-out ticket style. Plain HTML, CSS and JavaScript.Open →
JWT decoderDecode JWT tokens and see the header, the payload and the issued-at and expiry dates in readable form.Open →
Testimonials section for websites (HTML and CSS)Build the customer testimonials section of your website: name, city or role, photo or initials, stars and the text, in a grid or a scrolling carousel, in your brand colors. Plain HTML and CSS, no libraries.Open →
Typewriter effect for websites (typing text)Generate the typing text effect for your website headline, with several phrases that type and delete in sequence ("We build websites for bakeries, salons, auto shops..."), a blinking cursor, speeds, pause and looping. Plain, accessible HTML, CSS and JavaScript.Open →
Type scale and fluid font size (clamp)Generate your website's font size scale from a base size and a ratio (major third, perfect fourth, golden ratio), with a fluid clamp() version that grows from phone to desktop. See the preview and copy the CSS variables.Open →
Escape and unescape text (JSON, JS, SQL, regex)Escape quotes, backslashes and line breaks for JSON, JavaScript, SQL, regex, CSV and Unicode, or go the other way.Open →
CSS star rating (fractional ratings)Generate rating stars for your website that show partial ratings, like 4.3 or 3.7, filling the exact fraction of the star, in pure CSS with one variable. Size, colors, number of stars, the number beside them and a clickable version for customers to vote.Open →
Cron expression explainer in plain EnglishPaste a cron expression and see what it means in plain English, field by field, with the next dates the job will run.Open →
Call to action (CTA) banner for websitesGenerate the call to action banner that closes your website's pages: headline, short text, primary and secondary buttons (like WhatsApp and phone), with a color, gradient or darkened photo background, centered or with the buttons on the side. Responsive HTML and CSS.Open →
Infinite logo strip (CSS marquee)Generate the endlessly scrolling strip with logos of clients, partners, brands you work with or short phrases, in pure CSS: speed, direction, spacing, pause on hover, fading edges and a stop for people who asked for less motion.Open →
Letter favicon generatorCreate a favicon with your brand's initials, without needing a logo: choose the letters, font, colors and shape (circle, rounded square or square) and download favicon.ico, the PNGs and the code for your site.Open →
CSS corner ribbon and badgeGenerate the diagonal ribbon in the corner of cards and photos ("New", "Best seller", "Sale") and round or tag badges, in pure CSS: text, colors, corner, size and style, with a preview on a card.Open →
CSS formatter (indent and beautify)Format minified or messy CSS online: one property per line, 2 or 4 space or tab indentation, a blank line between rules and separate selectors, so you can read and edit any site's styles.Open →
HTML formatter (indent and beautify)Format and indent messy or minified HTML online: each tag at its level, with the page's inline CSS and JavaScript formatted too, a choice of 2 or 4 spaces or tab and wrapping of long lines.Open →
JavaScript formatter (indent and beautify)Format minified or messy JavaScript online: 2 or 4 space or tab indentation, braces on the same line or the next, and wrapping of long lines, to read and debug any site's scripts.Open →
JSON formatterFormat, validate and minify JSON.Open →
SQL formatterFormat SQL queries online: line breaks at clauses, indentation, uppercase keywords and a minify option.Open →
XML formatterFormat, validate and minify XML online: automatic indentation, syntax error warnings and XML to JSON conversion.Open →
Contact form for websites (no server)Generate the contact form for your static website that sends messages to your email without coding a server: FormSubmit, Formspree or Netlify Forms, with the fields you choose, anti-spam, a thank-you page, validation and accessible styling.Open →
Website form that sends to WhatsAppGenerate a contact or order form for your website that sends the answers straight to your WhatsApp, with no server and no coding: choose the fields, the number and the button text and copy the code.Open →
Photo gallery for websites (with lightbox)Build the code for a responsive photo gallery for your website, with tap-to-enlarge (lightbox) using the HTML dialog element: arrows, keyboard, captions and lazy loading, no library. Paste the photo URLs and copy.Open →
CSS masonry gallery (Pinterest style)Generate a gallery of blocks with different heights, like Pinterest, in pure CSS: columns that fit together without gaps, with columns per screen size, spacing, corners and captions. It uses CSS columns in every browser and the new display: grid-lanes where it already exists.Open →
Accessible tabs generatorGenerate the code for a tabs component for your website following the WAI-ARIA accessibility pattern: tablist, tab and tabpanel roles, arrow keys, Home and End, colors and underlined or pill style. HTML, CSS and JavaScript with no library.Open →
ads.txt generator and validatorBuild your site's ads.txt file for Google AdSense and other ad networks: ad system domain, account ID, DIRECT or RESELLER and certification authority ID, with contact and subdomains. Paste an existing ads.txt to check for errors line by line.Open →
CSS entrance animation generatorCreate entrance animations for your site's elements (fade, slide up, grow, slide in, blur) with adjustable easing, duration and delay, a stagger effect and trigger on scroll, with the CSS and JavaScript ready.Open →
SVG blob generator (organic shapes)Generate organic shapes (blobs) as SVG for backgrounds, photo frames and website decorations: adjust complexity and randomness, choose a solid color or gradient and download the SVG.Open →
CSS gradient border generatorGenerate gradient borders in CSS for cards, buttons and photos: colors, angle, thickness and rounded corners that work (which border-image does not do), with an animated spinning border option and a transparent background.Open →
CSS border-radius generatorCreate rounded corners in CSS with a live preview: adjust each corner, link all four or create organic shapes (blobs) with the 8 border-radius values.Open →
CSS button generatorCreate CSS buttons for your site visually: color, text, size, corners, border, shadow and hover and click effects, with ready-made styles (solid, outline, gradient, pill) and the CSS and HTML code to copy.Open →
Breadcrumb generator with schemaGenerate the breadcrumb trail for your site's pages: accessible HTML with nav and aria-current, a choice of separator and colors, and the BreadcrumbList JSON-LD that Google uses to show the path in search results.Open →
Security headers generatorGenerate your site's HTTP security headers (HSTS, Content-Security-Policy, X-Content-Type-Options, Referrer-Policy, Permissions-Policy and iframe protection) for Nginx, Apache, Netlify, Cloudflare Pages and Vercel.Open →
CSS card generator (services section)Generate a section of cards for your website, such as services, benefits or products: a title, text and icon or image in each card, a responsive grid that adjusts itself, shadow, corners and a hover effect. Ready HTML and CSS.Open →
CSS scroll-snap carousel (slider) generatorGenerate a photo or card carousel for your website with CSS scroll-snap: swipe on phones, arrows on desktop, how many items show at a time and spacing, with no library and no scroll jank.Open →
Test credit card generatorGenerate valid credit card numbers for software testing (Visa, Mastercard, Elo, Amex) and validate them with the Luhn algorithm.Open →
RSA and ECDSA key generatorGenerate RSA (2048, 3072 or 4096 bits) and ECDSA (P-256, P-384) key pairs right in your browser, in PEM format, for testing, JWT, signatures and encryption.Open →
CSS clip-path generatorCrop images and elements into shapes with CSS clip-path: triangle, rhombus, hexagon, star, arrow, message bubble, circle and cut corners. Drag the points in the preview to adjust and copy the code.Open →
Cron expression generatorBuild a cron expression without memorizing the syntax: choose the frequency, minutes, hours and days of the week and see the next runs.Open →
CSS Grid generatorBuild CSS Grid layouts visually: number of columns and rows, sizes (fr, px, auto), gap and responsive columns with auto-fit and minmax. See the preview and copy the CSS and HTML.Open →
Cubic-bezier generator (CSS easing)Draw cubic-bezier animation curves by dragging the control points, compare them with ease, ease-in-out and other ready-made curves and copy the transition CSS.Open →
Custom cursor generator (CSS)Create a custom mouse cursor for your website from an image, a symbol or a colored circle: size, click point (hotspot), cursor for links and the CSS with a fallback cursor. The image becomes a data URI ready to paste.Open →
FAQ generator for websites (accordion + schema)Build your website's frequently asked questions section: a pure HTML accordion with details and summary, ready-made styling and FAQPage JSON-LD for Google, all in one block of code to copy.Open →
Favicon generatorCreate favicon.ico and icons for websites, iPhone and Android from an image.Open →
CSS filter generator for imagesAdjust an image's brightness, contrast, saturation, grayscale, sepia, hue, blur, invert and shadow and copy the ready CSS filter property, with presets (black and white, vintage, cool, warm, faded) and an option to apply it only on hover.Open →
CSS flexbox generatorBuild CSS flexbox layouts by clicking options: direction, alignment, justification, wrapping and gap between items, with a live preview and CSS ready to copy. Great for learning what each property does.Open →
@font-face generatorGenerate the CSS @font-face to use your own fonts on your site: choose the files (WOFF2, WOFF, TTF, OTF), the tool reads the name, weight and style of each one, builds the rules with font-display swap and the preload tag, and shows a preview with the real font.Open →
.gitignore generatorBuild your project's .gitignore file by choosing languages, frameworks, operating systems and editors: Node, Python, Java, Flutter, macOS, VS Code and more.Open →
Glassmorphism generator (frosted glass)Create the CSS frosted glass effect (glassmorphism): background blur, transparency, color, border and shadow, with a preview over a photo or gradient and ready code with backdrop-filter.Open →
CSS gradient generatorCreate linear and radial gradients with several colors and copy the ready CSS.Open →
Hash generatorCalculate the SHA-1, SHA-256 and SHA-512 of a text.Open →
HMAC generator (SHA-256, SHA-512)Calculate the HMAC signature of a message with a secret key using SHA-1, SHA-256, SHA-384 or SHA-512, with hex or Base64 output, and validate webhooks.Open →
Hreflang tag generatorGenerate hreflang tags for sites in more than one language or country (en-US, en-GB, es, pt-BR…): link alternate in the head, in the XML sitemap or in the HTTP header, with x-default and validation of language and region codes.Open →
.htaccess generatorGenerate the .htaccess file for Apache websites (shared hosting such as Hostinger, Bluehost, GoDaddy): force HTTPS, with or without www, compression, caching of images, CSS and JS, a 404 error page, blocking directory listing and protecting files.Open →
Placeholder image generatorCreate sample (placeholder) images in any size, with a background color, text and PNG, JPG, WEBP or SVG format, for layouts and prototypes.Open →
Responsive image generator (srcset and sizes)Upload a photo and get versions at the right widths (WebP, AVIF or JPG) in a .zip file, plus the <img> code with srcset and sizes or <picture>, width and height so the layout doesn't shift, and the right loading/fetchpriority for each case.Open →
JWT generator (sign HS256 tokens)Create and sign JWT tokens with HS256, HS384 or HS512 from a JSON payload and a secret key, with shortcuts for iat, exp and sub, and verify the signature of an existing token.Open →
Timeline / step-by-step generator (CSS)Create a timeline or a step-by-step ("how it works") section for your website: numbered or dated steps, vertical or horizontal, colors and markers, in semantic HTML with an ordered list and responsive CSS.Open →
Email link generator (mailto)Create a mailto link that opens an email already filled in with recipient, cc, bcc, subject and message, with special characters and line breaks encoded correctly. Copy the link, the HTML button or create the QR code.Open →
UTM link builderBuild links with UTM parameters (utm_source, utm_medium, utm_campaign, utm_term, utm_content) to see in Google Analytics where your visits come from: Instagram, WhatsApp, email, ads and QR codes.Open →
llms.txt generatorCreate your site's llms.txt file: name, summary and the most important pages organized in sections, in the format proposed at llmstxt.org to help AI tools understand the site's content.Open →
CSS loader generator (loading spinner)Pick a pure CSS loading indicator (ring, dots, bars, pulse, progress bar), adjust the color, size and speed and copy the HTML and CSS, with no image and no library.Open →
Lorem Ipsum generatorPlaceholder text for layouts and mockups: paragraphs, sentences, words, lists or headings, in Latin or in English, as plain text or HTML.Open →
Image map generator (clickable areas)Draw clickable areas over an image (rectangle, circle or polygon) and link each one: a floor plan, a store directory, a product photo, a menu. Generates the classic HTML with map and area and a responsive version with percentage-based links that adapts to phones.Open →
CSS media query generator (breakpoints)Generate the media query skeleton for your CSS with Bootstrap 5 or Tailwind breakpoints or your own: mobile-first (min-width) or desktop-first (max-width), in px or em, plus dark mode, reduced motion, mouse or touch, orientation and print. See live which ones apply to your screen.Open →
Mesh gradient generatorCreate mesh gradient backgrounds (gradients with several color blobs, aurora style) for websites and posts: pick the colors, shuffle the positions with one tap and copy the CSS or download the image as PNG.Open →
Meta tag generator (SEO)Generate your site's SEO, Open Graph and Twitter meta tags and preview them on Google and in link previews.Open →
Modal (pop-up window) generator with dialogGenerate the code for a modal window for your site using the native HTML dialog element: title, text, buttons, close with Esc or by clicking outside, focus trapped inside the window and a smooth entrance animation. No library.Open →
Neumorphism (soft UI) CSS generatorGenerate the neumorphic (soft UI) effect in CSS: elements that seem to pop out of or sink into the background with two shadows, one light and one dark. Choose the color, size, distance, blur, intensity and shape (flat, concave, convex or pressed).Open →
SVG wave generatorCreate wave-shaped section dividers for your website: adjust the height, number of waves, layers and colors, flip it and download the SVG or copy the code to use between page sections.Open →
404 page generatorCreate a 404 error page (page not found) for your site in your brand colors: a friendly message, a button to the home page, an optional search field and useful links. Download a ready 404.html, light and with no dependencies.Open →
HTML and CSS pagination generatorCreate pagination for your blog, store or results list: previous and next, numbers with ellipses, the current page highlighted, in three styles and your brand colors. HTML with nav, aria-label and aria-current, real links Google follows and 44 px touch targets.Open →
301 redirect generatorGenerate your site's 301 or 302 redirect rules for Apache (.htaccess), Nginx, Netlify (_redirects), Vercel (vercel.json), Cloudflare and HTML, from a list of old and new addresses.Open →
Preload, preconnect and dns-prefetch generatorGenerate the resource hint tags that speed up your site's loading: preconnect and dns-prefetch for third-party domains (Google Fonts, analytics, CDN), preload of the font and main image with the right fetchpriority and crossorigin, and prefetch of the next page.Open →
robots.txt generatorCreate your site's robots.txt file: allow or block search and AI bots and private folders, and point to your sitemap.Open →
Website footer generatorBuild your website footer in HTML and CSS: name and description, link columns, contact with WhatsApp, phone, email and address, social media, company ID and a copyright year that updates itself. Responsive and ready to paste.Open →
Schema markup generator (JSON-LD)Generate schema.org JSON-LD structured data for FAQ, local business, article and breadcrumb, ready to paste into your site and improve how it looks on Google.Open →
CSS scrollbar generatorCustomize your site's scrollbar in your brand colors: width, track and thumb color, rounded corners and hover color, with standard CSS (scrollbar-color) and ::-webkit-scrollbar for older browsers.Open →
Hero section generator (top of the page)Build the opening (hero) section of your home page or landing page: title, subtitle, primary and secondary button, background or side image, with an overlay so the text stays readable. Responsive HTML and CSS, with the image optimized for loading.Open →
security.txt generator (RFC 9116)Generate your site's security.txt file in the RFC 9116 format: contacts for reporting security flaws (email, page or phone), expiry date, languages, policy, acknowledgments, key and the canonical address, ready to save at /.well-known/security.txt.Open →
sitemap.xml generatorCreate your site's sitemap.xml from a list of pages: paste the addresses, set the last-modified date and download the file ready to submit to Google Search Console and Bing.Open →
Skeleton loading generator (CSS)Generate the skeleton screen that appears while content loads: card, list, profile and text templates, colors, corners and an animated shimmer, in pure CSS with aria-busy and reduced-motion support.Open →
CSS box-shadow generatorCreate CSS shadows (box-shadow) with a live preview: offset, blur, spread, color, opacity, multiple layers and ready-made presets.Open →
CSS sprite generator (combine icons into one image)Combine several icons and small images into a single file (sprite sheet) in PNG or WebP and get the CSS with background-position and the size of each one, with spacing, in a row, column or grid, plus a retina version.Open →
Table of contents generator for blog postsPaste your post's HTML and get a table of contents linking to each section: the tool reads the h2 and h3 headings, creates missing ids from the text and returns the ready table of contents and the post with the ids added. Optional numbering, a collapsible block and smooth scrolling.Open →
HTML table generatorPaste data from Excel, Google Sheets or CSV and generate an HTML table ready for your website, with a header, stripes, borders, scrolling on phones and CSS styling, or just clean HTML.Open →
Markdown table generatorBuild Markdown tables visually or paste from Excel and Google Sheets, with column alignment, for README files, GitHub and Notion.Open →
Light and dark theme generator (CSS variables)From your brand color, generate the CSS variables of a complete light and dark theme: background, surface, text, secondary text, border, primary color and the text on it, with contrast checked against WCAG and automatic dark mode via prefers-color-scheme or a button (data-theme).Open →
CSS text-shadow generatorCreate CSS text shadows with a live preview and ready-made presets: neon, retro, 3D, outline, fire and emboss, with multiple layers and colors.Open →
Gradient text generator (CSS)Create headings with gradient text for your website using background-clip: text: choose the colors, angle and font and copy the CSS, with a fallback color for older browsers and high-contrast users.Open →
Grainy noise texture generator for backgroundsGenerate the grain (noise) texture that gives backgrounds and gradients a paper or film look: intensity, grain size, color and opacity, with a preview over your color or gradient. Download as PNG to tile in the background or copy it as SVG in CSS.Open →
CSS toggle switch generator (on/off button)Generate an on/off button (toggle switch) for your site in pure HTML and CSS, accessible with role=switch: size, colors, corners and label, with a preview that works with mouse, touch and keyboard.Open →
CSS tooltip generatorGenerate the hint that appears when you hover over or focus an element (tooltip) in pure CSS: top, bottom, left or right position, arrow, colors, corners and delay, accessible with aria-describedby and visible on keyboard focus.Open →
TOTP code generator (2FA)Generate and check two-factor authentication codes (TOTP, RFC 6238) from a Base32 secret key, create new keys and the otpauth:// link to test logins with 2FA.Open →
CSS transform generator (rotate, move, scale, skew and 3D)Build the CSS transform property with controls: move (translate), rotate, scale, skew and rotate in 3D with perspective, with the origin point (transform-origin) and a hover transition to test. Copy the ready CSS.Open →
UUID generatorGenerate random v4 UUIDs in bulk.Open →
manifest.json generator (PWA)Generate the web app manifest file (site.webmanifest or manifest.json) so your site can be installed on the phone's home screen: name, short name, colors, display mode, 192 and 512 px icons and the link tag for the HTML.Open →
File hash (MD5, SHA-1, SHA-256)Calculate the MD5, SHA-1, SHA-256 and SHA-512 checksum of any file and check whether it matches the hash given on the download site.Open →
Business hours for your websiteGenerate your business hours table for your website, with an "open now" or "closed" notice calculated in your business's time zone, today highlighted and OpeningHoursSpecification structured data for Google.Open →
HTML entity encoderConvert special characters and accented letters into HTML entities (&amp;lt; &amp;eacute;) and back.Open →
Convert HTML to JSXConvert HTML to React JSX: class becomes className, for becomes htmlFor, style becomes an object, attributes in camelCase, void tags closed and comments in {/* */}. Option to generate a ready component.Open →
HTML to MarkdownConvert HTML to Markdown: headings, bold, links, images, lists, quotes and code blocks, with heading and list style of your choice.Open →
HTML to textStrip all tags from HTML code and keep only the text, preserving paragraphs, lists and, if you like, link addresses.Open →
Responsive iframe (YouTube, Google Maps and more)Paste the embed code (iframe) from YouTube, Google Maps, Vimeo, Instagram, Spotify, Canva or any site, or just the address, and get an iframe that fits phones, with aspect-ratio, lazy loading, a title for accessibility and fullscreen.Open →
Image to Base64Convert images into Base64 text or a Data URI for HTML and CSS.Open →
Unicode character inspectorSee the Unicode code point (U+), UTF-8 bytes, HTML entity and JavaScript escape of each character or emoji in a text, and find invisible characters.Open →
JSON to CSVConvert a list of JSON objects to CSV to open in Excel or Google Sheets, with nested objects flattened, a choice of separator and file download.Open →
JSON to TypeScriptGenerate TypeScript interfaces or types from JSON, with nested objects, arrays, optional fields and PascalCase names.Open →
JSON to XML (and XML to JSON)Convert JSON to XML and XML to JSON, with attributes, lists and indentation, validating the syntax right in your browser.Open →
Google review link (with QR code)Create the link that opens your business's Google review window directly, from the Place ID, and generate a QR code for the counter, menu or receipt, plus a ready message to ask for reviews on WhatsApp or text.Open →
Feature list with check icons in HTML and CSSTurn a plain list into a feature list with a check, arrow, star or heart icon, in one or two columns and in your brand colors. The icon comes from CSS, with no image and no library, and the list stays a real ul for Google and screen readers.Open →
Google Maps embed generatorGenerate the code to put a Google Maps map on your website from an address, with no API key: choose the zoom, map type and size, preview it and copy the responsive iframe and the directions link.Open →
HTML sitemap generator (page for visitors)Turn your site's list of URLs, or the sitemap.xml itself, into a sitemap page for visitors: links grouped by section, with readable names taken from the URL, in lightweight HTML ready to publish.Open →
Markdown to HTMLWrite in Markdown and see a live preview, then copy the HTML or download the file.Open →
Responsive menu generatorGenerate the code for a responsive navigation menu for your site: links side by side on desktop and a hamburger button on mobile, accessible (aria-expanded, Esc key, focus) and with no library. Copy the HTML, CSS and JavaScript.Open →
CSS minifier and beautifierMinify CSS to make your site lighter, or format minified CSS to read and edit it, with the byte savings.Open →
HTML minifierMinify HTML by removing unnecessary comments, spaces and line breaks, keeping <pre>, <textarea>, scripts and styles intact, with the byte savings.Open →
JavaScript minifierMinify and compress JavaScript code with Terser: it removes spaces and comments and shortens variable names, showing the byte savings.Open →
Animated number counter for websitesGenerate a stats section where numbers count up from zero when they scroll into view, like "500+ happy customers" and "15 years of experience": prefix, suffix, local number format, duration and colors, with IntersectionObserver and reduced-motion support.Open →
SVG optimizerShrink SVG files exported from Illustrator, Figma, Inkscape or Canva: it removes comments, metadata, editor data and whitespace and rounds decimals, with a side-by-side preview to check.Open →
CSS background patternsCreate patterned backgrounds in pure CSS, with no image: polka dots, grid, lines, diagonal stripes, checkerboard and zigzag. Adjust the colors, size and thickness and copy the code.Open →
Link in bio page generatorCreate your link in bio page for Instagram and TikTok, like your own Linktree: photo, name, description, buttons for WhatsApp, website, menu and social media, with colors and a theme. Download a single HTML file to host anywhere.Open →
Thank you page generator (after a form or purchase)Create the thank you page customers see after they submit a form, request a quote or buy: a clear confirmation, response time, next steps and an invitation to Instagram or WhatsApp. Lightweight HTML with noindex, in your brand colors, ready to publish.Open →
Coming soon and maintenance page generatorCreate a coming soon or maintenance page for your site in your brand colors: title, message, optional countdown, and WhatsApp, Instagram and email buttons. Download a lightweight index.html with no dependencies and the right settings for Google in each case.Open →
Website popup generator (notice, coupon or newsletter)Generate a popup for your site that doesn't annoy visitors or hurt SEO: it appears after a few seconds, on scroll or on exit intent, waits a number of days before showing again, becomes a bottom bar on mobile and closes with Esc or a click outside. Plain HTML, CSS and JavaScript with dialog.Open →
Google search result previewSee how your page title and description appear in Google results, on desktop and mobile, with the width in pixels and a warning when the text will be cut off.Open →
PX to REM converterConvert px to rem, em, pt and percent and back, with an adjustable base size and a CSS reference table.Open →
"How it works" steps section (HTML and CSS)Build the steps section of your website (how it works, how to hire us, how to order): numbered steps with a title and text, horizontal with a line linking the numbers or vertical, in your brand colors, with an accessible, responsive ordered list.Open →
Team section for websites (HTML and CSS)Build the "our team" section of your website: a photo (or initials), name, role, a short line and Instagram, LinkedIn or WhatsApp links for each person, as cards or circles, responsive and in your brand colors.Open →
Google reviews badge for your websiteCreate a badge with your business's Google rating and number of reviews to put on your website: stars, rating, total reviews and a link to your reviews page. Lightweight HTML and CSS, no third-party scripts and no monthly fee.Open →
Badges for online stores (shipping, returns, warranty)Create the benefits badge bar for your online store or website: free shipping, free returns, warranty, installments, secure checkout, fast shipping, handmade and anything else you want. SVG icons, brand colors, lightweight HTML and CSS to paste into your site, or download the badges as PNG.Open →
Before and after slider for websitesGenerate a before and after comparison slider for your website: two stacked photos with a divider you drag with a finger or mouse, labels, starting position and colors. Built with a range input, so it works with the keyboard and screen readers.Open →
Animated link underline generator (CSS)Generate animated underline effects for links and menus in CSS: a line that grows from the left, from the center, that slides, a highlighter that fills and a wavy underline, with color, thickness and duration, also working on keyboard focus.Open →
SVG to data URI (CSS and HTML)Convert SVG code into an optimized data URI for use in CSS (background-image, mask) and HTML, with URL encoding that is shorter than Base64 and an image preview.Open →
Full ASCII tableASCII table from 0 to 127 with decimal, hexadecimal, octal, binary, character and HTML entity, with search and click to copy.Open →
Comparison table for websitesBuild a comparison table for your website (plans, products, services or competitors): columns, rows with yes/no or text, a highlighted column, a sticky first column and side scrolling on phones, as an accessible HTML table.Open →
Size chart for clothing stores (HTML for your website)Build the size chart (size guide) for your clothing store's product page: sizes in columns or rows, measurements, an explanation of how to measure and a button that opens the chart in a dialog. Accessible, responsive HTML with no dependencies.Open →
Pricing table for websites (plans in HTML and CSS)Build the plans and pricing section of your website: two to four plans with name, price, billing period, what is and is not included, a button and a featured plan, with a monthly/yearly toggle. Responsive HTML and CSS in your brand colors.Open →
Truth table generatorBuild the truth table of any logical expression with AND, OR, NOT, implication and biconditional, and see whether it is a tautology or a contradiction.Open →
Website load time by connectionEstimate how long your page takes to load on 3G, 4G and Wi-Fi from its weight (HTML, CSS, JavaScript, images and fonts) and number of files, and see how much each part weighs and how much you save by converting the images to WebP.Open →
Regex testerTest regular expressions live and see the highlighted matches, the capture groups and the result of the replacement.Open →
Test a website on multiple screen sizesSee how your website looks on phones, tablets and computers at the same time: type the address and check the page at widths such as 360, 390, 768 and 1280 px, side by side, with scrolling in each screen.Open →
Online website wireframe toolDraw the wireframe (layout sketch) of a website or landing page by dragging ready-made blocks: header, banner, heading, text, image, button, cards, form, video and footer, at desktop or mobile size. Move, resize and download as PNG or SVG.Open →
Accessibility statement generator (ADA and WCAG)Create an accessibility statement for your website: your commitment, the WCAG 2.2 level you aim for, the conformance status, known limitations, the measures you take, and how visitors can report a problem or ask for help. Download it as HTML.Open →
CCPA privacy policy generator (California)Generate a privacy policy section for California residents under the CCPA as amended by the CPRA: categories of personal information, sources, purposes, sale and sharing, retention, consumer rights (know, delete, correct, opt out, limit) and how to submit requests. Download it as HTML or text.Open →
Rent receipt generator (PDF)Create a rent receipt for your tenant in seconds: landlord and tenant names, property address, rent period, amount, payment method, late fees and balance due. Print it or save it as a PDF, with an option for several months at once.Open →
US phone number formatter and validatorFormat and validate U.S. and Canadian phone numbers in bulk: (555) 123-4567, 555-123-4567, E.164 +15551234567, tel: links and more. Checks the NANP rules for area codes and exchanges and flags toll-free and invalid numbers.Open →

Lookups 5

Currency converterConvert dollars, euros, pounds and other currencies with today's exchange rates.Open →
Seasons of the year: dates and timesSee the exact date and time of the equinoxes and solstices of any year, in your chosen time zone: the start of autumn, winter, spring and summer in the Northern and Southern hemispheres, with the length of each season.Open →
Latitude and longitude finderFind the latitude and longitude of any address or point on the map, and convert to degrees, minutes and seconds.Open →
What is my IPFind your public IP address, internet provider and approximate location.Open →
Sunrise and sunset timesSee what time the sun rises and sets in any city on any date, with day length, solar noon, civil twilight and golden hour for photos, calculated with NOAA's equations.Open →

Music 11

Guitar tunerOnline tuner using your microphone for acoustic guitar, electric guitar, bass and ukulele, with standard and alternate tunings.Open →
BPM to milliseconds (delay and reverb)Convert BPM to milliseconds and hertz for every note value, straight, dotted and triplet, and set delay, reverb, compressor and LFO to the song's tempo.Open →
Chords in a key (diatonic chords)See the diatonic chords of any major or minor key: the seven chords as triads and seventh chords, with degrees, functions, relative key and the notes of the scale.Open →
Interactive circle of fifthsExplore the circle of fifths: tap a key to see its key signature (how many sharps or flats and which ones), the notes of the scale, the relative minor, the neighboring keys and the main chords.Open →
BPM counter (tap tempo)Find the BPM of a song by tapping along: tap the button or press any key on each beat and see the beats per minute, with average and stability.Open →
Guitar chord dictionaryChoose the root note and chord type (major, minor, seventh, maj7, diminished, sus, 6, 9 and more) and see the notes, the formula and several positions to play it on the guitar, with the diagram and the sound of the chord.Open →
Musical scalesSee the notes of any musical scale in any key: major, natural, harmonic and melodic minor, the modes, pentatonic and blues scales, with the whole and half step formula, the keyboard and guitar neck diagram, and the sound.Open →
Musical note frequenciesConvert a musical note to frequency (Hz) and a frequency to a note, with the difference in cents, the MIDI number and the wavelength, using A = 440 Hz or another reference, such as 432 or 442 Hz.Open →
MetronomeOnline metronome with 30 to 250 BPM, time signature, first-beat accent and tap tempo.Open →
Online pianoPlay piano online in your browser with your mouse, touchscreen or computer keyboard, with two octaves, note names and a choice of sounds.Open →
Online white noisePlay white, pink or brown noise in your browser to sleep, focus, study or soothe a baby, with volume control and a sleep timer.Open →

Device tests 5

Frequency generator (audio tone)Generate tones from 20 Hz to 20,000 Hz in the browser, with sine, square, triangle or sawtooth waves, to test speakers and your hearing.Open →
Classroom noise meterA noise meter for the classroom: it uses the microphone to show the noise level in green, yellow or red and warns you when it goes over the limit.Open →
What is my browser?See which browser and operating system you're using, the version, user agent, screen size, pixel density, language and time zone.Open →
Online rulerAn actual-size online ruler on your screen, in inches, centimeters and millimeters. Calibrate it with a credit card or a coin to measure small objects accurately on your phone or computer.Open →
Clicks per second testCPS test: see how many clicks per second you can make in 1, 5, 10 or 30 seconds.Open →

Games 17

Guess the numberGuess the secret number game: the computer picks a number and tells you if your guess is higher or lower, until you get it right.Open →
Learn to tell time on an analog clockA game for kids to learn to read the time on an analog clock: look at the hands, type the right time and track the correct answers, with levels for full hours, half hours, five minutes and the exact minute.Open →
Battleship onlinePlay battleship online against the computer: ships are placed at random and you take turns firing until a whole fleet is sunk.Open →
Love calculatorA just-for-fun love test: type two names and see the couple's compatibility percentage, with a fun message. The same pair of names always gives the same result.Open →
Minesweeper onlinePlay minesweeper online for free in beginner, intermediate and expert levels, on computer or phone, with flag mode.Open →
Printable maze generatorCreate random mazes in several sizes and difficulty levels to print or solve on screen, with an optional solution, for kids, school activities and fun.Open →
Spin the bottleOnline spin the bottle game: put the players' names around it, tap to spin and see who the bottle points to. Great with truth or dare.Open →
Online snake gamePlay snake online for free: eat the fruit, grow and don't hit the walls or your own body. Works with the keyboard and touch on phones.Open →
Online hangman gamePlay hangman online for free with English words from several themes, or write a secret word for a friend to guess.Open →
Online memory gameFree online memory game: flip the cards and find the matching pairs in as few moves and as little time as possible.Open →
Online tic-tac-toePlay tic-tac-toe online against the computer (easy, medium or impossible) or with a friend on the same device, with a scoreboard.Open →
Online checkersPlay checkers online against the computer or with a friend, with Brazilian draughts rules: mandatory captures, backward captures and flying kings.Open →
Charades word generatorDraw words for charades, Pictionary or guessing games: categories (animals, jobs, objects, actions, movies and food), easy and hard levels, a timer and a two-team scoreboard.Open →
Rock paper scissors onlinePlay rock paper scissors against the computer, with a scoreboard, best of 3 or 5, or draw a move to settle a dispute with someone.Open →
Sliding puzzlePlay the sliding number puzzle (3 × 3, 4 × 4 or 5 × 5) or make one with your own photo, sliding the tiles until they are in order.Open →
Online chess clockA free chess clock for phone and computer: two timers, preset time controls (bullet, blitz, rapid) or custom ones, with increment per move (Fischer). Tap your side to pass the turn.Open →
Online sudokuPlay free online sudoku at easy, medium and hard levels, with a new puzzle every game, error checking, hints and a timer.Open →

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