Developer

User Agent Parser

Parse browser user agent strings and identify browsers, operating systems and devices.

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About this Tool

Use this free user agent parser to decode browser user agent strings. Identify browser versions, operating systems, devices and rendering engines from raw user agent data.

Examples

Mozilla/5.0 (Windows NT 10.0; Win64; x64)
Mozilla/5.0 (iPhone; CPU iPhone OS 17_0 like Mac OS X)
Mozilla/5.0 (Linux; Android 15)

Frequently Asked Questions

What is a user agent string?

A user agent string identifies the browser, operating system and device making a request.

Why analyze user agents?

Developers use user agents for debugging, analytics and compatibility testing.

Can mobile devices be detected?

Yes. Most modern mobile, tablet and desktop user agents can be identified.

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