JSPM

Text encoder and decoder

A small implementation of Concise Binary Object Representation (CBOR) in pure JavaScript.

Just the Ethereum encoding and decoding methods from the ethers-io-wallet.

A simple module for handling Ethereum units (e.g. 'ether', 'wei', etc...)

FFmpeg.js - Use FFmpeg in the browser powered by WebAssembly

Polyfill for the Encoding Living Standard's API.

Universal conversion of Uint8Array from/into UTF-8, base64url and hex in the browser and Node.js

A simple set of Ethereum JS utilities.

The ultimate shortcut to the base64 encode/decode functions.

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

A robust iso-8859-2 encoder/decoder written in JavaScript.

A robust macintosh encoder/decoder written in JavaScript.

A robust windows-1255 encoder/decoder written in JavaScript.

A robust iso-8859-8 encoder/decoder written in JavaScript.

A robust windows-1251 encoder/decoder written in JavaScript.

Base58 encoding & decoding for Node.js & web agent windows.

A robust windows-1250 encoder/decoder written in JavaScript.

A robust windows-1258 encoder/decoder written in JavaScript.

A robust iso-8859-7 encoder/decoder written in JavaScript.

A robust iso-8859-6 encoder/decoder written in JavaScript.

Support as many legacy encodings as possible

A robust windows-1254 encoder/decoder written in JavaScript.

A robust koi8-r encoder/decoder written in JavaScript.

A robust x-mac-cyrillic encoder/decoder written in JavaScript.

A robust iso-8859-4 encoder/decoder written in JavaScript.

A robust iso-8859-5 encoder/decoder written in JavaScript.

A robust windows-874 encoder/decoder written in JavaScript.

A robust windows-1257 encoder/decoder written in JavaScript.

base64topdf

Encode a string into a base62 string. Decode a base62 string back to a decoded string. It can also code arrays of bytes.

Simple lightweight polyfill for the Text Encoding API, supporting UTF-8 only

A Lite Polyfill for the Encoding Living Standard's API.

A robust windows-1256 encoder/decoder written in JavaScript.

A robust windows-1253 encoder/decoder written in JavaScript.

A robust iso-8859-8-i encoder/decoder written in JavaScript.

A robust iso-8859-15 encoder/decoder written in JavaScript.

A robust iso-8859-3 encoder/decoder written in JavaScript.

An iconv-lite stream that autodetects the encoding and fallbacks to a specified fallback encoding.

Minimalistic yet feature-rich IO decoding and encoding

A modern base-x encoding library implemented in TypeScript with minimal dependencies for use in browser and Node.js.

A bridge between libav.js and WebCodecs, to allow easier decoding of files demuxed by libav.js

Avro serialization

Base 58 encoding / decoding

A straightforward implementation of base58-check encoding

Pure JavaScript Vcdiff decoder that works with binary deltas from Google's open-vcdiff

Encode / decode base32. Supports Buffers, strings, custom alphabets, abstract-encoding compliant

Convert character encodings using iconv-lite.

A WebCodecs polyfill (ponyfill, really), using libav.js

Fast function for decoding HTML entities.

Base64 encoding and decoding with ASCII string representation.

Generate a RFC4122 compliant v4 UUID and return it encoded in base-58.

Describe binary structures with full TypeScript support. Encode and decode into pure JavaScript objects.

A simple JavaScript library for encoding and decoding HTML entities.

A library for lexicographical encoding.

Blech32 encoding / decoding

A robust & character encoding–agnostic JavaScript implementation of the `Q` encoding as defined by RFC 2047.

Isomorphic base64url encoding/decoding utilities

Library to encode/decode strings or binary data in base32.

Peculiar Certificate Viewer web-components makes it easy for you to display certificate related details in your web application.

Atdgen prebuilt binaries for 3 major OS platforms.

Node.js addon for native Zstandard encoding and decoding with support for dictionaries.

Base 58 encoding / decoding

Codec bincode in typescript.

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

Atdgen prebuilt binaries for 3 major OS platforms.

Nodejs Base 58 encoding / decoding

Base62 encoder/decoder

Subscriptions plugin for PostGraphile using PostgreSQL logicial decoding

Encode & decode strings, bytes, and integers to Base62

Logical decoding server for PostgreSQL, monitors for new/edited/deleted rows and announces them to interested clients.

React specific wrapper for @peculiar/certificates-viewer

A modern base58-check encoding library implemented in TypeScript with minimal dependencies for use in browser and Node.js.

Fast runtime type validator, converter and io (encoding/decoding) library

A straightforward implementation of base58-check encoding for smartcash

Fast function for decoding HTML entities.

A robust & character encoding–agnostic JavaScript implementation of the `Q` encoding as defined by RFC 2047.

A simple wasm png encoder/decoder module for cloudflare workers

Encode / decode any base X to and from string or buffer

solidity rlp encoder/decoder

A simple module for signing Ethereum transactions.

Unicode's answer to Base64

This project is a clone of mtth/avsc repo with modifications required by CDAP

A straightforward implementation of base58-check encoding

Fast base encoding/decoding of any given alphabet

Zero-copy X.509 certificates in pure modern TypeScript

HTML named entities mapping to their Javascript replacements in a JSON file.

A simple module for handling Ethereum units (e.g. 'ether', 'wei', etc...)

Nodejs Base 58 encoding / decoding

Decoding and encoding JavaScript/TypeScript/JSON objects to binary format.

Buffer for Browser and NodeJS. Writing and reading basic types to binary data.

Node.js wrapper for RaptorQ forward error correction

Zero-copy binary data types

Rust-like Cursor for TypeScript

Fast base encoding / decoding of any given alphabet

Groestlcoin Wallet Import Format (WIF) decoding/encoding module

Zero-copy KCP protocol for the web

Hash and unhash structured model data with no collisions, duplicates or gaps using minimal perfect hash functions. Currently in alpha. Expect breaking changes for version 0. Use with caution!

Binary-to-text encoding highly optimised for UTF-16

Zero-copy ASN.1 <=> DER encoding for the web

Map sequential IDs or serial numbers to random-looking strings

JavaScript Base32 encoding/decoding

Decode bragg URI components

base58 encode/decode in solidity.

SmartCash Wallet Import Format (WIF) decoding/encoding module

A library for defining codecs that can safely translate between runtime and over-the-wire types, helping you build more robust systems in TypeScript.

A module for statically defining type-safe HTTP operations. These can be leveraged by other modules to build type-safe clients or servers that can execute the requests.

A Lite Polyfill for the Encoding Living Standard's API.

A library for making type-safe HTTP requests built on the popular Axios client.

A powerful URI processor for encoding, decoding, and analyzing URI data securely.

JavaScript implementation of the SuperPack extensible schemaless binary encoding format

Buffer Boba is a library for decoding protocol buffers in the cosmos ecosystem.

Next-gen Ethereum library for TypeScript

Like base64 but encoding into emojis

Zero-copy SMUX protocol for the web

Fast Base64 encoding and decoding powered by WebAssembly.

A simple module for handling Ethereum units (e.g. 'ether', 'wei', etc...)

Node implementation of the base62x codec.

A web framework for stateful, entropy-perfect, multi-origin web applications. Currently in alpha. Expect breaking changes for version 0. Use with caution!

A Node-RED node based on iconv-lite for encoding or decoding conversion to pure JS encoding

Nodejs Base 58 encoding / decoding

Node.js Base64 Text Encoder/Decoder

A simple module for handling Ethereum units (e.g. 'ether', 'wei', etc...)

Base58 encoding/decoding utility for Solana web3

Typed length for TypeScript

A simple Ethereum account utility module.

A robust iso-8859-2 encoder/decoder written in JavaScript.

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

Date parsing extensions for the JavaScript JSON parser to provide moment objects directly from JSON.parse()

Just the sha3 method used by Etheruem dApps, and contracts.

Fast base encoding / decoding of any given alphabet

Fast base encoding / decoding of any given alphabet

AssemblyScript glue code for assemblyscript encoding and decoding

Avro data streams

A high-performance serialization protocol engine that optimizes JSON data transmission through adaptive encoding and decoding

Polyfill for the Encoding Living Standard's API.

Zero-copy HTTP protocol for the web

Base 64 encoding.

Zero-copy Tor protocol for the web

Encodes and decodes address formats for various cryptocurrencies with Pharos network support

Excellent ECMAScript MessagePack implementation for 85% of people.

Glorious Binary Serialization and Deserialization for TypeScript.

Fast base encoding / decoding of any given alphabet

javascript (wasm) build for rust Holochain base32 encoding scheme for keys, agents, identifiers, etc

Avro for JavaScript

A comprehensive post-quantum cryptography library featuring Dilithium digital signatures and Kyber key encapsulation mechanisms. Includes versatile encoding schemes, key derivation utilities, and unique ID generation. Designed for quantum-resistant applic

A modern TypeScript query string parser and stringifier with enhanced type safety and additional features

jsZ85 provides an implementation of the Z85 codec following the specs of https://rfc.zeromq.org/spec/32/. It is a port of the https://github.com/ruben-viscomi/ktZ85 implementation for Kotlin.

A tiny, efficient utility for defining binary data schemas and performing encoding/decoding of JavaScript objects to and from Uint8Array

WebAssembly port of Base64 and Base64URL

Fast base encoding / decoding of any given alphabet

A low-level, fast, ultra-lightweight typescript library for decoding and encoding protocol buffers.

VOKEN Flavored Base32 Encoding and Decoding, with the checksum by default.

Disposable bytes for TypeScript & WebAssembly

Streaming implementation of the Base65536 encoding

Extensible, zero-dependency Borsh and Zcash encoding and decoding

base91 implementation in javascript for node.js and browsers

Redis-backed highly-scale-able and cloud-fit distributed media processing engine.

Utilities to deal with Uint8Array

Transaction messaging service protocol

Utilities for arithmetic bitwise operations in JavaScript

WebAssembly port of Base16

Interface to make node-erlang communication, integrate a nodejs gen_server into your erlang application

A small JavaScript library for baseXX encoding and decoding. Defaults to base58, but can easily be used for base32, base64, etc.

Bech32 encoding / decoding

bercode qrode decoder

Logical decoding server for PostgreSQL, monitors for new/edited/deleted rows and announces them to interested clients.

WebAssembly port of Base58

Fast base encoding / decoding of any given alphabet

Base 32 encodings for JavaScript

Base 58 encoding / decoding

Convert between JavaScript UCS-2-encoded strings and OCaml-friendly UTF-8 byte-arrays

Javascript module for converting base-64 to arraybuffer and from arraybuffer to base-64

TypeScript library offering robust contracts for encoding and decoding values with strong type safety.

A real-time comprehensive Mode S and ADS-B data decoder

Convert binary data between common formats and encodings.

A minimal Huffman encoder/decoder for message compression in Node.js and browser.

A robust iso-8859-10 encoder/decoder written in JavaScript.

Lightweight library for bytestring to/from number decoding/encoding, in pure javascript.

Command line client for ZeroMQ Base-85 encoding

Encode & decode any text into any custom alphabet, multibyte code points supported.

Lightweight TypeScript encoder/decoder library

Excellent ECMAScript MessagePack implementation for 85% of people.

A straightforward implementation of base58-check encoding for bitcoin and multichain

A robust ibm866 encoder/decoder written in JavaScript.

AWS Kinesis Video Stream Parser Library

A straightforward implementation of base58-check encoding

A schema powered binary encoder/decoder

An iconv-lite stream that autodetects the encoding and fallbacks to a specified fallback encoding.

Avro for JavaScript

Typescript bindings for QOI

Base64 and Base64URL (RFC 4648) encoding/decoding/validation for web browsers

Polyfill for the Encoding Living Standard's API. Only gb18030

Babel Scanner is a library that encodes and decodes strings into a custom numeric format, solving keyboard layout compatibility issues (AZERTY, QWERTY, etc.) when processing barcode scans across different operating systems.

Makes Base64 en & -decoding simpler as it is

A robust iso-8859-13 encoder/decoder written in JavaScript.

Nodejs Base 58 encoding / decoding

Represent binary data as Braille

A TypeScript-based serialization/deserialization library built for exploration and learning.

Encoding/decoding S2 polylines for JavaScript

Zero-copy bytes

Typescript bindings for decoding and encoding BMP bitmap images

Stream that decodes morse code from audio streams

A comprehensive TypeScript library for encoding and decoding Indian geographic coordinates into DIGIPIN format (Indian Postal Digital PIN system). Features CLI tools, caching, batch processing, and Express middleware for seamless integration.

[](https://www.npmjs.org/package/bs52) [](https://gitlab.com/redpelicans/bs52/pipelines)

Just the Ethereum encoding and decoding methods from the ethers-io-wallet.

Pure JavaScript vcdiff decoder that works with binary deltas from Google's open-vcdiff

Fast base encoding / decoding of any given alphabet

Ascertains whether a Unicode code point is 'safe' for the purposes of encoding binary data

PeerTube plugin transcoding (vp9/h264/etc and opus/aac/etc) with extensive customization options

WebAssembly port of Base64, Base64URL, Base16, and Base58 encoding algorithms

Smart buffer

A robust iso-8859-14 encoder/decoder written in JavaScript.

A simple set of Wiseplat JS utilties.

Fast base encoding / decoding of any given alphabet

A Typescript implementation of the Rune-512 encoding and decoding algorithm.

ASN.1 encoding and decoding library for TypeScript/JavaScript, compatible with Python asn1tools

Base 58 encoding / decoding

Fast base encoding / decoding of any given alphabet

Convert binary data to Base1

React hooks and components for integrating DIGIPIN (Indian Postal Digital PIN) geocoding into React apps. Includes hooks, prebuilt UI, and helpers for seamless integration.

Avro for JavaScript

A high-performance serialization framework used for encoding and decoding arbitrary datastructures across languages.

A quick implementation of base58check extending upon bs58 in TS.

Fast base encoding / decoding of any given alphabet

Polyfill for the Encoding Living Standard's API.

Minimize and optimize and simplify and miniaturize your network packets for optimal speed and efficiency with ProtoMini.

Simple and flexible data decoding

Polyfill for the Encoding Living Standard's API.

Codec for encode/decode JSON objects with buffer keys

MessagePack encoder and decoder for javascript.

A cipher/code transcribing library built in JavaScript.

A robust windows-1251 encoder/decoder written in JavaScript.

(Deprecated: use apg-js instead.) Converts byte streams from one encoding to another. Decodes byte streams to integer arrays and vice versa.

Extandable MessagePack serializer

A robust & character encoding–agnostic JavaScript implementation of the `Q` encoding as defined by RFC 2047.

Encode & decode XML/HTML entities with ease

Comprehensive Ethereum ABI toolkit combining high-performance encoding/decoding with production-ready contract interaction utilities

Fast base encoding / decoding of any given alphabet to Uint8Array/Buffer

A robust koi8-u encoder/decoder written in JavaScript.

base91 implementation in javascript for node.js and browsers

Domain-oriented action request with path decoding, business object preloading, and action extracting

bip173 encoding / decoding

base32 encoding and decoding that optimizes byte size based on input characters and supports unicode.

Grid Point Code (GPC) is a global geocoding system that provides a unique, lossless, and compact alphanumeric code for any geographic location (home, office, or other places). It enables precise identification and offline conversion between geographic coo

Fast base encoding / decoding of any given alphabet

Z85 encoder/decoder WASM library

DFPWM encoder/decoder for JavaScript. Useful for ComputerCraft.

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

javascript (wasm) build for rust AIngle base32 encoding scheme for keys, agents, identifiers, etc

Basepura encoder and decoder in TypeScript