Decode WebM / Matroska audio (Opus, Vorbis, AAC, MP3, FLAC, ALAC, PCM) to PCM samples

Decode named character references

Decode the audio track of MP4, MOV, M4A, M4V and 3GP files (AAC, ALAC, MP3, FLAC, Opus, AMR, PCM) to PCM samples

A better decodeURIComponent

micromark utility to decode numeric character references

Decode JWT tokens, mostly useful for browser applications.

Postgres bytea parser

micromark utility to decode markdown strings

Decode HEIC images to raw data

Decode audio to AudioBuffer; unscoped alias of @audio/decode

Fast and safe decodeURIComponent

URL utilities for markdown-it

HTTP server cookie parsing and serialization

Secure, audited & 0-dep implementation of base64, bech32, base58, base32 & base16

A fast Base64 decoder with a low level API. If you want a high level API, look at [base64-js](https://github.com/beatgammit/base64-js).

A pure javascript JPEG encoder and decoder

Shared Claude Code / Codex hook wire protocol: matcher engine, stdin/exit-code/stdout codec, multi-hook merge, and hook/* session events

Decodes complex FormData into a JavaScript object

Encode/decode sourcemap mappings

A streaming data transport format that aims to support built-in features such as Promises, Dates, RegExps, Maps, Sets and more.