# 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](CHANGELOG.md) 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)

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# Development ## Contributors Please read [CONTRIBUTING](CONTRIBUTING.md) guide first for the instruction details. Made with [contributors-img](https://contrib.rocks). ## Backers & Sponsors Support the open-source editions of UAParser.js on [OpenCollective](https://opencollective.com/ua-parser-js) or [GitHub Sponsors](https://github.com/sponsors/faisalman).