ua-parser-js
Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent data. Supports browser & node.js environment
environment
Check which JavaScript environment your code is running in at runtime: browser, Node.js, Bun, etc
un-detector
A simple and zero-dependency browser, os and device detector.
mobile-detect
Device detection (phone, tablet, desktop, mobile grade, os, versions)
cld
Language detection for Javascript. Based on the CLD2 (Compact Language Detector) library from Google. Highly optimized for space and speed. Runs about 10x faster than other libraries. Detects over 160 languages. Full test coverage. Runs on Linux, OS X, an