User Agent Info

Inspect and parse browser User-Agent strings into browser engine, operating system, and device type offline. Fast and 100% private.

100% Client-Side / Offline Buy me a coffee
Input
Ready
Output
Ready

How It Works

Paste any HTTP User-Agent string or analyze your current browser agent to inspect browser family, OS version, and device type.

Frequently Asked Questions

Is my data private and secure?

Yes. All operations run 100% inside your local web browser runtime using client-side JavaScript. No text, tokens, code, or personal data are ever uploaded to an external server or cloud service.

Can I run this tool completely offline?

Yes. You can install the packaged Manifest V3 Chrome Extension version from GitHub or save this standalone HTML page locally to use without an internet connection.

Is this tool free and open source?

Yes, all tools are 100% free and licensed under the permissive MIT license. If this tool helped you solve an annoyance, you can support development at ko-fi.com/jju1s.