What is a User Agent?
A User Agent is a string sent in HTTP headers that identifies the browser, operating system, and device making a request to a server. Developers and analysts use User Agent parsing to detect browsers, analyze traffic, identify bots, and debug compatibility issues.
What Can This Tool Detect?
- Browser type and version
- Operating system
- Device type (desktop, mobile, tablet)
- Bot or crawler signatures
- HTTP request environment
Frequently Asked Questions
What is a user agent string?
A user agent string identifies the browser, device, and OS used to access a website.
Why decode a user agent?
It helps developers understand traffic sources and debug compatibility issues.
Can this detect bots?
Yes. Many bots include specific identifiers inside the user agent string.