User Agent Parser — Free & Private

A free edge API by formatho.com, privacy-first developer tools.

Open the full browser tool →

Free, no signup, runs entirely in your browser — your data never leaves your device.

🔓 Free🔒 Zero tracking🚫 No data collection⚡ Edge-fast

Usage

curl "https://user-agent-parser-formatho.filesformatho.workers.dev/api?ua=Mozilla/5.0%20(Windows%20NT%2010.0;%20Win64;%20x64)%20AppleWebKit/537.36%20(KHTML,%20like%20Gecko)%20Chrome/131.0.0.0%20Safari/537.36"

Returns browser + version, rendering engine, operating system, device type (desktop / mobile / tablet / bot) and bot detection in one JSON response.

Parse your own User-Agent

curl "https://user-agent-parser-formatho.filesformatho.workers.dev/api"

No ua parameter? The API parses the User-Agent header of the request itself — ideal for quick "what does my UA look like" checks.

Full parameter reference: /api endpoint.

Privacy-first: parsing runs in-memory at the edge and is never logged or stored.

Full browser tool

Parse user agents entirely client-side: User Agent Parser on formatho.com.

All Formatho edge APIs

Browse every free Formatho Worker tool on the Formatho Tools index.