file-type-checker
Detect and validate file types by their signatures (✨magic numbers✨)
image-in-browser
Package for encoding / decoding images, transforming images, applying filters, drawing primitives on images on the client side (no need for server Node.js)
pgmjs
A library to work with PGM files in Javascript.
leather
A pure JS library for extracting image/video attributes such as width, height, size, and mime type
@math.gl/geoid
Geoid class for working with irregular Earth surface defined by an earth gravity model file.