What is a User Agent?

A User Agent is a string that a web browser sends to a server to identify itself, its version, and the operating system it is running on. This helps servers deliver content optimized for that specific environment.

User Agent Parser

Free online User Agent Parser. Identify browser name, version, operating system, and device type from any User Agent string. Automatically detects your own browser string.

100% PrivateInstant ProcessingNo Upload Required

Free online user agent parser tool. Process your files securely in your browser - your data never leaves your device.

User Agent String

Key Features

Detailed browser analysis
OS and device detection
One-click "My UA" tool
Visual status indicators

Common Use Cases

Debugging browser-specific issues
Analyzing web logs
Testing device detection logic

Frequently Asked Questions

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