the subtitle editor :)

HLS.js is a JavaScript library that plays HLS in browsers with support for MSE.

GPAC Ultramedia OSS for Video Streaming & Next-Gen Multimedia Transcoding, Packaging & Delivery

Official repository of the ISO Base Media File Format Reference Software

Library and tools for working with MP4 files containing video, audio, subtitles, or metadata. The focus is on fragmented files. Includes mp4ff-info, mp4ff-encrypt, mp4ff-decrypt and other tools.

Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions

JavaScript version of GPAC's MP4Box tool

High Efficiency Image File Format

Absolute luminance or bust!

APG: AV1 Portable Graphics File Format

DataStream.js is a library for reading data from ArrayBuffers

Service Worker for MP4 files