User Agent Identifier

Instantly detect your browser, operating system, and device details. Perfect for debugging and responsive testing.

User Agent String

What is a User Agent?

A User Agent is a string that your web browser sends to every website you visit. It contains information about your browser, operating system, and device type.

Common Use Cases:

  • Testing responsive designs across different devices
  • Debugging browser-specific issues
  • Understanding your device capabilities
  • Verifying browser compatibility
  • Checking if cookies are enabled

All detection happens locally in your browser. No data is sent to any server.