User-Agent Parser

Parse user-agent strings to identify the browser, OS and device, free in your browser. No sign-up needed.

Parse Any User-Agent String

User-Agent Parser breaks down a browser’s User-Agent string into its browser name and version, operating system, and device type, which is useful for debugging device-specific issues or understanding your own visitor logs.

How to use

Paste a User-Agent string, or use your own browser’s automatically detected one.
Click "Parse User-Agent".
Review the extracted browser, OS, and device details.

Common use cases

Figuring out what device a bug report’s User-Agent string came from.
Understanding what browser and OS a line in your server logs represents.
Checking exactly what your own browser is reporting itself as.

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