User agent parser

Paste any User-Agent string — from your own browser, a log file, or an API request — to break it down. Detection is pattern-based and covers the major browsers/platforms, not every possible client.

Browser
Version
Engine
OS
Mobile

What is User agent parser?

A browser's User-Agent string packs its name, version, rendering engine, and operating system into one dense line — useful when reading server logs or debugging browser-specific issues.

How to use it

Paste any User-Agent string (your own is pre-filled) to see it broken into browser, version, engine, OS, and whether it's a mobile device.

Example

Chrome on Windows 10 parses to: Browser: Chrome, Engine: Blink, OS: Windows (NT 10.0), Mobile: No