What Is My User Agent

Detecting your user agent...

🔐 Privacy Diagnostics

🖥 Device Insights

What Is a User Agent?

Your user agent is a string that browsers send to websites, describing the browser, operating system, and sometimes device type.

Why It Matters

Privacy Tip for U.S. Users

Frequently Asked Questions

Q: Can I change my user agent?
A: Yes. Some browser extensions or developer tools allow you to spoof it.

Q: Is my user agent private?
A: No. It's automatically sent to every site you visit.

Q: Why do websites read it?
A: To optimize for your device, and sometimes for analytics or fingerprinting.