Encoder Packages

An abstract-encoding compliant module for encoding / decoding DNS packets

PNG encoder/decoder in pure JS, supporting any bit size & interlace, async & sync with full test suite.

A fast PNG encoder

Decode and encode png files in web or node

GIF generator for Node.js

A robust windows-1252 encoder/decoder written in JavaScript.

encoder handler for QQ/Wechat miniapp

a low-level, lightweight protocol buffers implementation in JavaScript

Serialize data into buffer. Browser or NodeJS.

un4seen Bass Audio Library based on ffi bindings, tested and updated

Encode FormData content into the multipart/form-data format. This is a fork of octet-stream/form-data-encoder, but with CommonJS support.

A pure JavaScript implementation of a BPE tokenizer (Encoder/Decoder) for GPT-2 / GPT-3 / GPT-4 / Claude Instant / Claude 2

Lightweight utilities for encoding and decoding Solidity ABI

A LAME encoder to be used in web workers

Pure JavaScript MP3 Encoder

Wasm Quite Ok Image Format (qoi) encoder and decoder supporting the browser. Repackaged from Squoosh App.

Encoders and fonts for EAN13 and Code128

JavaScript GIF encoding library

a transcoder for serialising JavaScript BigInt values to a Uint8Array or any other array-like object