ua-parser-js

# UAParser.js Powerful User-Agent detection in a compact, ES5-friendly, dependency-free JavaScript library. * ✅ **Comprehensive detection**: Identify various kind of browsers, OS, devices, bots, apps, AI crawlers, and more * ✅ **Battle-tested at scale**: Backed by an actively maintained, extensive detection database, trusted by leading tech companies * ✅ **Runs everywhere**: Use seamlessly in browsers, Node.js, and modern JavaScript runtimes # Demo * Live demo: https://uaparser.dev # Documentation * `version 1.x` : https://docs.uaparser.dev/v1 * `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. # Package 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 ⚠️ ✅ ✅ ✅ ✅ Rendering Engine Detection ⚠️ ✅ ✅ ✅ ✅ OS detection ⚠️ ✅ ✅ ✅ ✅ Enhanced+ Accuracy ❌ ✅ ✅ ✅ ✅ Bot Detection ❌ ✅ ✅ ✅ ✅ AI Detection ❌ ✅ ✅ ✅ ✅ Extra Detections (Apps, Libs, Emails, Media Players, Crawlers, and more) ❌ ✅ ✅ ✅ ✅ Client Hints Support ❌ ✅ ✅ ✅ ✅ CommonJS Support ✅ ✅ ✅ ✅ ✅ ESM Support ❌ ✅ ✅ ✅ ✅ TypeScript Definitions ✅ ✅ ✅ ✅ ✅ npm Module Available ✅ ✅ ✅ ✅ ✅ Direct Downloads Available ✅ ✅ ✅ ✅ ✅ Commercial Use Allowed ✅ ✅ ❌ ✅ ✅ Permissive (non-Copyleft) License ✅ ❌ ✅ ✅ ✅ No Open-Source Obligations ✅ ❌ ✅ ✅ ✅ Unlimited End-Products ✅ ✅ ✅ ❌ ✅ Unlimited Deployments ✅ ✅ ✅ ❌ ✅ 1-year Product Support ❌ ❌ ✅ ✅ ✅ Lifetime Updates ✅ ✅ ✅ ✅ ✅ Price FREE* (License) FREE* (License) $14 (License) $29 (License) $599 (License)

GET THE PRO PACKAGES

## NEW: Managed REST API Skip the installation, use the User-Agent API in any application: * ✅ **Works everywhere**: Integrate with JavaScript, Python, PHP, Java, or any HTTP client * ✅ **Production-ready**: Powered by UAParser.js and continuously updated * ✅ **Zero maintenance**: We manage the packages, parser updates, device data, and infrastructure for you Learn more and start building at [uaparser.dev/#rest-api](https://uaparser.dev/#rest-api) # Development ## Contributors This project wouldn't be possible without all the amazing people in the open-source community. Thanks to everyone who contributed, reported issues, and shared feedback. Made with [contributors-img](https://contrib.rocks). Contributions are welcome! Please read the [CONTRIBUTING GUIDE](CONTRIBUTING.md) first for detailed contribution instructions. ## Backers & Sponsors Support the **open-source editions** of UAParser.js through one of the following options: