User-Agent Parser

11 tools

Parse a User-Agent string into browser, OS, and device.

Runs in your browser — your files and text stay on your device

Parse a User-Agent string into browser, operating system and device. Paste a string from your logs or analytics and read what it describes. User-Agent strings can be spoofed and are being reduced by browsers, so treat the result as a hint.

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How to use this tool

1Your own browser's User-Agent loads automatically, or paste any other one.
2See its browser, OS, device type, and engine parsed out.
3Try the examples for a mobile Safari or search-engine bot string.

Frequently asked questions

How accurate is User-Agent parsing?

User-Agent strings are self-reported and can be spoofed, so parsing gives a good-faith guess, not a guarantee.

Is the string sent anywhere?

No, parsing happens entirely with pattern matching in your browser.

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