Everything you need to handle HTTP message body content-encoding

mdast utility to parse markdown

Solidity coder for non-standard (tight) packing.

Polyfill for Metadata Reflection API

asn1js is a pure JavaScript library implementing this standard. ASN.1 is the basis of all X.509 related data structures and numerous other protocols used on the web

Postgres bytea parser

Encrypted Content-Encoding for HTTP

Bencode de/encoder

An implementation of the WHATWG URL Standard's URL API and parsing machinery

**Note:** More details on user side API can be found in [Jest documentation](https://jestjs.io/docs/mock-function-api).

Hashing made simple. Get the hash of a buffer/string/stream/file.

UTF-8 only polyfill for the Encoding Living Standard's API.

socket.io protocol parser

Charset Detector - Detect the encoding and language of text files - Use it in the browser, with Node.js, or via CLI

Removes GPS metadata from images and videos

a negotiator for the accept-headers

Base64 encoding/decoding in pure JS

Generate hashes from javascript objects in node and the browser.

Character encoding auto-detection in JavaScript (port of python's chardet)

Streaming text decoder that preserves multibyte Unicode characters