User agent parser
Find the browser, version, operating system, device type, engine and CPU from any user agent, or your own.
How to useParse a user agent.
Available in: 
User agent parser: what it is for
Paste a user agent, use your browser's or pick an example to see the browser and version, operating system, device type and model, rendering engine and CPU architecture, each with its own icon. The tool also tells you when the user agent belongs to a search bot such as Googlebot.
How to use
- Paste the user agent or use yours.
- See the detected details.
- Compare with other examples.
When to use it
- Understand server access logs.
- Debug issues in a specific browser.
- Identify bots and crawlers.
Frequently asked questions
What is a user agent?
It is the text the browser sends with every request to identify itself: browser name and version, operating system and sometimes the device model. It shows up in server logs and Google Analytics.
Why does Chrome's user agent mention Mozilla and Safari?
Historical compatibility. Browsers copied parts of their competitors' user agents to receive the same pages, so almost all of them start with Mozilla/5.0 and mention AppleWebKit and Safari.
Is the result 100% reliable?
No. Extensions can change the user agent, and modern browsers send a reduced version (Windows 11, for example, shows up as Windows 10). It is a good estimate.
Is it really free?
Yes, 100% free. No sign-up, no subscription and no usage limits. All Tools123 are free.