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pngjs

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

lukeapage
published version 7.0.0, 3 years ago1726 dependents licensed under $MIT
163,659,891

form-data-encoder

Encode FormData content into the multipart/form-data format

octetstream
published version 4.1.0, a year ago522 dependents licensed under $MIT
85,179,406

dns-packet

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

silverwind
published version 5.6.1, 3 years ago650 dependents licensed under $MIT
70,689,784

pbf

a low-level, lightweight protocol buffers implementation in JavaScript

mbx-npm-07-production
published version 5.1.0, 16 days ago595 dependents licensed under $BSD-3-Clause
29,860,848

svg-pathdata

Manipulate SVG path data (path[d] attribute content) simply and efficiently.

nfroidure
published version 9.0.0, 3 months ago86 dependents licensed under $MIT
44,226,795

fast-png

PNG image decoder and encoder written entirely in JavaScript

cheminfo-bot
published version 8.0.0, 6 months ago67 dependents licensed under $MIT
34,006,528

base-64

A robust base64 encoder/decoder that is fully compatible with `atob()` and `btoa()`, written in JavaScript.

mathias
published version 1.0.0, 6 years ago1782 dependents licensed under $MIT
22,520,759

@scure/base

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

GitHub Actions
published version 2.2.0, 2 months ago912 dependents licensed under $MIT
32,191,365

jpeg-js

A pure javascript JPEG encoder and decoder

patrickhulce
published version 0.4.4, 4 years ago456 dependents licensed under $BSD-3-Clause
35,239,659

io-ts

TypeScript runtime type system for IO decoding/encoding

gcanti
published version 2.2.22, 2 years ago1730 dependents licensed under $MIT
13,701,946

@iarna/toml

Better TOML parsing and stringifying all in that familiar JSON interface.

iarna
published version 2.2.5, 6 years ago1569 dependents licensed under $ISC
21,379,348

fastestsmallesttextencoderdecoder

The fastest smallest Javascript polyfill for the encode of TextEncoder and decode of TextDecoder for UTF-8 only. Made by AnonyCo with ❤️ from 🐕s.

anonyco
published version 1.0.22, 6 years ago97 dependents licensed under $CC0-1.0
7,485,034

bmp-js

A pure javascript BMP encoder and decoder

shaozilee
published version 0.1.0, 8 years ago62 dependents licensed under $MIT
15,209,160

bmp-ts

A pure typescript BMP encoder and decoder

alisowski
published version 1.0.9, 2 years ago5 dependents licensed under $MIT
7,144,786

dns-txt

Encode/decode DNS-SD TXT record RDATA fields

watson
published version 2.0.2, 10 years ago138 dependents licensed under $MIT
9,443,953

@sindresorhus/base62

Encode & decode strings, bytes, and integers to Base62

sindresorhus
published version 1.0.0, 9 months ago5 dependents licensed under $MIT
7,618,980

gpt-tokenizer

A pure JavaScript implementation of a BPE tokenizer (Encoder/Decoder) for GPT-2 / GPT-3 / GPT-4 and other OpenAI models

niieani
published version 3.4.0, 7 months ago434 dependents licensed under $MIT
3,144,225

mediabunny

Pure TypeScript media toolkit for reading, writing, and converting media files, directly in the browser.

GitHub Actions
published version 1.46.0, 11 days ago95 dependents licensed under $MPL-2.0
3,895,403

opusscript

JS bindings for libopus 1.4, ported with emscripten

abalabahaha
published version 0.1.1, 3 years ago300 dependents licensed under $MIT
1,439,947

@loaders.gl/core

The core API for working with loaders.gl loaders and writers

pessimistress
published version 4.4.3, 5 hours ago147 dependents licensed under $MIT
3,018,772