UAParser.js

The most comprehensive, compact, & up-to-date isomorphic JavaScript library to detect user’s Browser, Engine, OS, CPU, and Device type/model. Runs either in browser (client-side) or node.js (server-side).

Demo

• Live demo: https://uaparser.dev

Documentation

• version 1.x : https://github.com/faisalman/ua-parser-js/tree/1.0.x#documentation
• version 2.x : https://docs.uaparser.dev

Before upgrading from v0.7 / v1.0, please read CHANGELOG to see what’s new & breaking.

License Options

Open-Source Editions PRO / Commercial Editions License options MIT (v0.7~v1.0) AGPL (>=v2.0) PRO Personal PRO Business PRO Enterprise Browser detection ⚠️ ✅ ✅ ✅ ✅ CPU detection ⚠️ ✅ ✅ ✅ ✅ Device detection ⚠️ ✅ ✅ ✅ ✅ Engine detection ⚠️ ✅ ✅ ✅ ✅ OS detection ⚠️ ✅ ✅ ✅ ✅ Bot detection ❌ ✅ ✅ ✅ ✅ AI Bot detection ❌ ✅ ✅ ✅ ✅ Extras (Apps, Libs, Emails, Media Players, etc) detection ❌ ✅ ✅ ✅ ✅ Enhanced detection result ❌ ✅ ✅ ✅ ✅ Client Hints support ❌ ✅ ✅ ✅ ✅ CommonJS support ✅ ✅ ✅ ✅ ✅ ES modules support ❌ ✅ ✅ ✅ ✅ npm module ✅ ✅ ✅ ✅ ✅ TypeScript declarations ⚠️ ✅ ✅ ✅ ✅ Allows commercial use ✅ ✅ ❌ ✅ ✅ Permissive (non-copyleft) license ✅ ❌ ✅ ✅ ✅ Unlimited use per 1 license ✅ ✅ ✅ ❌ ✅ 1-year product support ❌ ❌ ✅ ✅ ✅ Lifetime updates ✅ ✅ ✅ ✅ ✅ Price FREE (License) FREE (License) $14 (License) $29 (License) $599 (License)

GET THE PRO PACKAGES 📥

Development

Contributors

Please read CONTRIBUTING guide first for the instruction details.

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Backers & Sponsors

You can support the open-source editions of UAParser.js through one of the following options: