# UAParser.js The most comprehensive, compact, & up-to-date 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). ## License Options
Open-Source Editions PRO / Commercial Editions
License options MIT AGPL 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 FREE $12 $25 $500
GET THE PRO PACKAGES 📥
## Version 2.0 Before upgrading from `v0.7` / `v1.0`, please read [CHANGELOG](CHANGELOG.md) to see what's new & breaking. # Documentation * v1.0: https://github.com/faisalman/ua-parser-js/tree/1.0.35#documentation * v2.0: https://docs.uaparser.js.org/v2 # Development ## Contributors Large or small, your contribution is valuable here. Please read [CONTRIBUTING](CONTRIBUTING.md) guide first for the instruction details. Made with [contributors-img](https://contrib.rocks). ## Backers & Sponsors