User Agent Checker

It's text a browser sends to identify itself to a website — including the browser name, version, operating system, and rendering engine — so the site can tailor what it shows for that device.

No. The User-Agent string is read directly from your browser (navigator.userAgent) and only displayed on screen — it's never sent to or stored on a server.

Some browsers include other browsers' names in their User-Agent string for compatibility. Edge, for instance, includes both Chrome and Safari — this tool checks the most specific identifier first to pick the right one.

Developers use it to reproduce bugs that only happen on specific browsers or devices, and it's handy for reporting your exact browser environment to a support team.

Yes, mobile User-Agent strings are parsed the same way, including detecting whether the device counts as mobile, tablet, or desktop.

It's read from markers like arm64 or x86_64 inside the User-Agent string itself. Some browsers don't include this information at all, in which case the field is left blank.

Yes — paste any User-Agent string into "Analyze a different string" and it's parsed the same way as your own. You can also click an example button like iPhone Safari or Googlebot to try it instantly.