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

Detect whether a terminal supports hyperlinks

Detect whether the terminal supports Unicode

get dimensions of any image file

Check if a file path is an image

Check if stdout or stderr is interactive

Detect if the browser supports passive events

Check if a Buffer/Uint8Array is a GIF image

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

Detect the indentation of code (commonjs fork)

Detect the image type of an ArrayBuffer/Uint8Array

Detect image dimensions via fetch

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

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

A JavaScript parser built from the Hermes engine

Display resolution-dependent images using the image-set() function in CSS

Detect the file type of a file, stream, or data

Package manager detector

Generates an image from a DOM node using HTML5 canvas and SVG.

Charset Detector - Detect the encoding and language of text files - Use it in the browser, with Node.js, or via CLI