JSPM

Detect and validate file types by their signatures (✨magic numbers✨)

Parse individual pam images from an ffmpeg pipe when output video codec(-c:v) is set to pam and format(-f) is set to image2pipe.

Package for encoding / decoding images, transforming images, applying filters, drawing primitives on images on the client side (no need for server Node.js)

A pure JS library for extracting image/video attributes such as width, height, size, and mime type

Geoid class for working with irregular Earth surface defined by an earth gravity model file.

A library to work with PGM files in Javascript.

A Portable Any Map parser http://netpbm.sourceforge.net/doc/pnm.html

Reader/Writer for PGM

A simple function to convert png files to pgm files

Converts Netpbm strings to canvas elements

Simple PGM reader and writer

A PGM Utils