Detect if the browser supports passive events

Detect the indentation of code (commonjs fork)

Library will help you to detect if the locale is right-to-left language.

Detect which package manager you're using (yarn or npm)

Node.js module to detect the C standard library (libc) implementation family and version

Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js

A small library to detect which features of WebAssembly are supported in your current browser.

A production-ready MCP server for PDF operations - count pages, extract text, get metadata, summarize, answer questions, add watermarks and headers/footers, analyze page layouts, detect text positions, and replace text at specific positions with intellige

Detect whether the terminal supports Unicode

Check if stdout or stderr is interactive

Detect if a device is mouse only, touch only, or hybrid

Device detection (phone, tablet, desktop, mobile grade, os, versions)

Helpers for handling mobile devices

A JavaScript parser built from the Hermes engine

Package manager detector

Detect if a user is from a country around the European Union (EU) area

It's FuckAdBlock with a minimalist API.

Detect Node.JS (as opposite to browser environment) (reliable)

Detect text size on terminal

Simplify detecting your browser