UA-PARSER-JS(1)

📦 version 2.0.10, in ubuntu stonking

💖 UA-PARSER-JS 💖

okay bestie, gather round, because this is ua-parser-js, a section 1 user command, and she is literally the moment. she detects browser, engine, OS, CPU and device from a user-agent string. no cap. periodt. 🎀

✨ NAME ✨

ua-parser-js — detect browser, engine, OS, CPU and device from a user-agent string 🦋

🌸 SYNOPSIS 🌸

ua-parser-js <string>...
ua-parser-js --input-file <filepath> [--output-file <filepath>]

💅 DESCRIPTION 💅

Detect browser, engine, OS, CPU and device from user-agent strings. that's it, that's the whole vibe, and she ate 🔥

here are the flags, bestie, every single one, i would never gatekeep:

  • -i, --input-file <filepath> — read user-agent strings from <filepath>, one per line 📄. one. per. line. don't get cute and squish them together 🙈
  • -o, --output-file <filepath> — write the JSON results to <filepath> 💾✨
  • -h, --help — display this help and exit 🫶

⭐ EXAMPLES ⭐

Parse a single user-agent string:

ua-parser-js "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36"

Parse a log file and save the results:

ua-parser-js --input-file=access.log --output-file=result.json

👑 AUTHOR 👑

UAParser.js was written by Faisal Salman <f@faisalman.com>. icon behavior, fr fr 💖

🌈 SEE ALSO 🌈

The upstream documentation at https://uaparser.dev. go read it, iykyk 📚✨

and that's the whole page, bestie!! signing off from ua-parser-js version 2.0.10, dated August 2026 — mwah, slay, go parse something gorgeous 🧚💜

📦 where this page comes from