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UAParser.js

The most comprehensive, compact, and up-to-date JavaScript library to detect user’s browser, OS, CPU, and device type/model. Also detect bots, apps, and more. Runs seamlessly in the browser (client-side) or Node.js (server-side).

Demo

Documentation

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

Package & Pricing

Open-Source Editions PRO / Commercial Editions
License options MIT (v1.x) AGPL (v2.x) PRO Personal PRO Business PRO Enterprise
Browser detection ⚠️ βœ… βœ… βœ… βœ…
CPU detection ⚠️ βœ… βœ… βœ… βœ…
Device detection ⚠️ βœ… βœ… βœ… βœ…
Engine detection ⚠️ βœ… βœ… βœ… βœ…
OS detection ⚠️ βœ… βœ… βœ… βœ…
Bot detection ❌ βœ… βœ… βœ… βœ…
AI Bot detection ❌ βœ… βœ… βœ… βœ…
Extras (Apps, Libs, Emails, Media Players, etc) detection ❌ βœ… βœ… βœ… βœ…
Enhanced detection result ❌ βœ… βœ… βœ… βœ…
Client Hints support ❌ βœ… βœ… βœ… βœ…
CommonJS support βœ… βœ… βœ… βœ… βœ…
ES modules support ❌ βœ… βœ… βœ… βœ…
TypeScript declarations ⚠️ βœ… βœ… βœ… βœ…
npm module available βœ… βœ… βœ… βœ… βœ…
Direct downloads available βœ… βœ… βœ… βœ… βœ…
Allows commercial usage βœ… βœ… ❌ βœ… βœ…
Permissive (non-copyleft) license βœ… ❌ βœ… βœ… βœ…
No open-source obligations βœ… ❌ βœ… βœ… βœ…
Unlimited end-products βœ… βœ… βœ… ❌ βœ…
Unlimited deployments βœ… βœ… βœ… ❌ βœ…
1-year product support ❌ ❌ βœ… βœ… βœ…
Lifetime updates βœ… βœ… βœ… βœ… βœ…
Price FREE* (License) FREE* (License) $14 (License) $29 (License) $599 (License)

GET THE PRO PACKAGES πŸ“₯

Development

Contributors

Please read CONTRIBUTING guide first for the instruction details.

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Backers & Sponsors

Support the open-source editions of UAParser.js through one of the following options:

OpenCollective GitHub Sponsors PayPal WeChat/Alipay