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186 tools for text, QR codes, calculators, PDF and images. No sign-up and nothing to install: everything runs on your device.

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The tools people use the most here.

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Speed up videoSpeed up a video or make it slow motion, from 0.25× to 4×, with the sound following along.Open →

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 →

Add border to imageAdd a colored border to your photos or make them square for Instagram.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 →

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 →

Guitar tunerOnline tuner using your microphone for acoustic guitar, electric guitar, bass and ukulele, with standard and alternate tunings.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 →

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 →

Child height predictorEstimate your son's or daughter's adult height from the parents' heights (mid-parental height), with the likely range.Open →

Secret Santa generatorDraw names for Secret Santa without anyone getting themselves.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 →

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 →

Permutation and combination calculatorCalculate factorial, permutations and combinations, with and without repetition, showing the formula.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 →

Round image cornersRound the corners of photos and images, with a transparent PNG background, adjustable radius and an optional border. Several at once.Open →

Sign PDFSign PDFs by drawing, typing or using a photo of your signature.Open →

Email signature generatorCreate a professional email signature with photo, job title, phone and links, ready for Gmail and Outlook.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 →

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 →

Sharpen imageMake slightly blurry photos sharper with an unsharp mask filter, adjusting the intensity, without uploading the image to servers.Open →

Increase audio volumeMake audio louder (or quieter) and even out the volume of several songs.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 →

Base64 encoder and decoderEncode and decode text to and from Base64.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 →

Online notepadJot down anything. It is saved in your browser.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 →

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 →

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 →

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 →

Word search makerCreate custom printable word searches: type the words, choose the size and directions and get the sheet with the answer key.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 →

Chmod calculatorBuild Linux file permissions by checking boxes and see the number (755, 644) and the rwxr-xr-x format.Open →

Scientific calculatorOnline scientific calculator with sine, cosine, tangent, log, root, power, factorial and history.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 →

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 →

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 →

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 →

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 →

Solar panel calculatorEstimate how many solar panels you need, the system size in kWp and the roof area from your electric bill usage.Open →

Instagram engagement rate calculatorCalculate the engagement rate of an Instagram or TikTok post or profile with likes, comments, saves and shares.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 →

Hours calculatorAdd hours, find the difference between times and calculate hours worked.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 →

Macro calculatorCalculate how many calories, protein, carbs and fat to eat per day to lose weight, maintain or gain muscle.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 →

Running pace calculatorCalculate your running pace (min/km), speed and predicted time for 5K, 10K, half marathon and marathon.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 →

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 →

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 →

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 →

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 →

Sleep calculatorFind the best time to go to bed or wake up based on 90-minute sleep cycles.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 →

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 →

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 →

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 →

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 →

Pregnancy due date calculatorWeeks of pregnancy and estimated due date.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 →

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 →

BMI calculatorBody mass index and the healthy weight range.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 →

CalendarYearly calendar with holidays marked.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 →

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 →

Minesweeper onlinePlay minesweeper online for free in beginner, intermediate and expert levels, on computer or phone, with flag mode.Open →

Flip a coinFlip a coin and let luck decide.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 →

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 →

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 →

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 →

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 →

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 →

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 →

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 →

Binary code translatorConvert text to binary and binary to text.Open →

Barcode generatorCreate EAN-13, Code 128 and other barcodes.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 →

Morse code translatorTranslate text to Morse code and listen to the sound.Open →

Add text to videoWrite a fixed title or caption on your video, choosing the position, size, color and background of the text.Open →

Compare images (before and after)Compare two images with a before-and-after slider, an overlay, or the differences highlighted in red.Open →

Compare JSON (diff)Compare two JSON documents and see exactly what was added, removed or changed, field by field, ignoring key order.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 →

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 →

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 →

Compress PDFReduce the size of scanned and photo-heavy PDFs.Open →

Compress videoReduce video file size to send on WhatsApp or by email.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 →

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 →

Character counterCount letters, words and lines instantly.Open →

Online counter (clicker)Online click counter to count people, laps, reps or items: multiple counters, adjustable step and keyboard shortcuts.Open →

Day counterHow many days are left or have passed between two dates.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 →

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 →

CountdownHow long until your event, live.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 →

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 →

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 →

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 →

Color converterConvert colors between HEX, RGB, HSL and CMYK and see lighter and darker shades.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 →

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 →

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 →

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 →

Currency converterConvert dollars, euros, pounds and other currencies with today's exchange rates.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 →

Timestamp converterConvert a Unix timestamp to a date and back.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 →

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 →

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 →

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 →

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 →

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 →

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 →

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 →

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 →

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 →

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 →

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The tools are provided as is, without warranty. We are not responsible for the results or for how they are used.