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User Agent Parser

Parse and analyze user agent strings online to detect browser, OS, device, and bot details. Free user agent string parser and analyzer for web developers.

About User Agent Parser

Parse and analyze user agent strings to identify browser, operating system, device type, and rendering engine. Useful for debugging and testing browser compatibility.

How to Use User Agent Parser

1

Open User Agent Parser

Navigate to User Agent Parser in your browser — no installation or sign-up required.

2

Enter your data

Type, paste, or upload the content you want to process into the input area.

3

Configure options

Adjust any available settings to customize the output to your needs.

4

Get your result

The result appears instantly. Copy it to your clipboard or download it as a file.

Frequently Asked Questions

A user agent string is a text identifier that your browser sends to websites with every request. It contains information about your browser name and version, operating system, device type, and rendering engine. Websites use it to serve optimized content.