User-Agent Parser
Paste a user-agent string to see the browser, version, operating system and device type; yours is filled in by default.
How to use User-Agent Parser
- Your own browser's user-agent string is filled in automatically.
- Paste a different user-agent string to parse that one instead.
- The browser, version, operating system and device type are broken out automatically.
Frequently asked questions
Where does the default text come from?
It's pre-filled with your own browser's User-Agent string on load — you can clear it and paste any other User-Agent to inspect instead.
Why did it get the browser or OS wrong?
User-Agent strings are inconsistent across vendors and easily spoofed by design (a browser can claim to be anything), so this is a best-effort pattern match, not a guaranteed-accurate one.
Does this run on a server?
No — parsing happens entirely in your browser with regular expressions. The string you paste is never sent anywhere.
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