UAParser.js

Demo of the UAParser.js library that detects browser, engine, OS, device and CPU from a user-agent string.

Artifact by Faisal Salman

IndexedAGPL-3.0★ 10,211Web utilitiesNo sign-up

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Opens uaparser.dev in a new tab. Nothing to install.

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You provide: User-agent string
You get: Detected browser, OS and device
Account: No sign-up needed
AI: No AI: a plain tool
Your input: Not stated: check the tool's privacy notes before using private data
Price: Free to use
Made with: Open-source web app
Source: Open source
Link check: Answered on Oct 31, 2026

About

UAParser.js is an open-source web app in the web utilities category (user agent parser). It opens in your browser, so there is nothing to install. You provide user-agent string and get detected browser, OS and device. It needs no account. It is a plain tool: no AI model is involved. The source code is public on GitHub (faisalman/ua-parser-js).

Category: Web utilities · user agent parser

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Stars: 10,211

Details

Auth: No auth
License: AGPL-3.0
Repository: github.com/faisalman/ua-parser-js
Website: uaparser.dev/
First seen: Oct 31, 2026
Last checked: Oct 31, 2026
Source: GitHub

Cite this page

UAParser.js: free online tool. Agent Mart. https://agentmart.dev/artifacts/uaparser-js (last updated 2026-10-31)