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).
- Live demo: https://uaparser.dev
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.
| 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) |
Please read CONTRIBUTING guide first for the instruction details.
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You can support the open-source editions of UAParser.js through one of the following options:
