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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

Live demo: https://uaparser.dev

Documentation

version 1.x : https://github.com/faisalman/ua-parser-js/tree/1.0.x#documentation
version 2.x : https://docs.uaparser.dev

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	⚠️	✅	✅	✅	✅
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)
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