How to extract browser, OS, and device hints from a User-Agent string

1. Paste the UA

   Drop a User-Agent string into the "User-Agent" field. Typical sources: server access logs, `navigator.userAgent` in the browser dev tools console, or a CDN log line.

2. Press Run

   Result returns `browser`, `os`, and `mobile` (boolean). Detection is heuristic — string-matching against well-known UA tokens; it isn't a Client Hints parser and doesn't talk to any reference DB.

3. What detection covers

   Major browsers (Chrome, Firefox, Safari, Edge, Opera), major OSes (Windows, macOS, Linux, iOS, Android), and a mobile flag inferred from `Mobile` / `Android` substrings. Niche browsers may fall through to `Unknown`.

4. When UA isn't enough

   Modern browsers send Client Hints headers (`Sec-CH-UA-*`) which carry more reliable signals than the legacy UA string. If you control the server, prefer those for production analytics.