What Is My User Agent

Web Tools

Instantly check your browser's user agent string. Identify your browser, operating system, and device details for debugging, compatibility testing, or development purposes.

How to Use What Is My User Agent

Simply open this tool, and it will automatically display your user agent string. Use this information for troubleshooting browser compatibility issues, testing web applications, or identifying device-specific settings. No additional input is required.

Frequently Asked Questions

What is a user agent?

A user agent is a string sent by your browser to the web server you are connecting to. It contains details about your browser type, operating system, and sometimes device model. Websites use this information to optimize content delivery and ensure compatibility.

Why do I need to lookup my user agent?

Checking your user agent helps developers debug browser-specific issues, test website compatibility, and identify how websites perceive their visitors/’ devices and operating systems.

Can I change my user agent?

Yes, most modern browsers allow you to change your user agent using developer tools or extensions. Changing the user agent can help test how a website behaves on different browsers and devices.