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#documentationversion 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 (v1.x) | AGPL (v2.x) | PRO Personal | PRO Business | PRO Enterprise |
| Browser detection | ⚠️ | ✅ | ✅ | ✅ | ✅ |
| CPU detection | ⚠️ | ✅ | ✅ | ✅ | ✅ |
| Device detection | ⚠️ | ✅ | ✅ | ✅ | ✅ |
| Engine detection | ⚠️ | ✅ | ✅ | ✅ | ✅ |
| OS detection | ⚠️ | ✅ | ✅ | ✅ | ✅ |
| Enhanced detection | ⛔️ | ✅ | ✅ | ✅ | ✅ |
| Client Hints support | ⛔️ | ✅ | ✅ | ✅ | ✅ |
| Extras (Apps, Bots, Libs, Emails, Media Players, etc) | ⛔️ | ✅ | ✅ | ✅ | ✅ |
| CommonJS support | ✅ | ✅ | ✅ | ✅ | ✅ |
| ES modules support | ⛔️ | ✅ | ✅ | ✅ | ✅ |
| npm module available | ✅ | ✅ | ✅ | ✅ | ✅ |
| TypeScript declarations available | ⚠️ | ✅ | ✅ | ✅ | ✅ |
| Allowed for commercial use | ✅ | ✅ | ⛔️ | ✅ | ✅ |
| Permissive (non-copyleft) license | ✅ | ⛔️ | ✅ | ✅ | ✅ |
| Unlimited use per 1 license | ✅ | ✅ | ✅ | ⛔️ | ✅ |
| 1-year support | ⛔️ | ⛔️ | ✅ | ✅ | ✅ |
| Lifetime updates | ✅ | ✅ | ✅ | ✅ | ✅ |
| Price | FREE (License) | FREE (License) | $14 (License) | $29 (License) | $588 (License) |
| GET THE PRO PACKAGES 📥 |
Development
Contributors
Please read CONTRIBUTING guide first for the instruction details.
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Backers & Sponsors
Support the open-source versions of UAParser.js on OpenCollective or GitHub Sponsors.