Parses, serializes, and manipulates MIME types, according to the WHATWG MIME Sniffing Standard

Cross-browser Error parser

Parse a .gitignore or .npmignore file into an array of patterns.

Create and parse HTTP Content-Type header

Dependency-free RFC 3986 URI toolbox

Parse a PNG

SQL ConnectionString parser

Parse a JSON string that has git merge conflicts, resolving if possible

Fast and easy parser for declarations of import and export in ECMAScript/TypeScript

Parse HTML character references

A blazing fast ES module imports parser.

Simple RFC 6838 media type parser and formatter

JavaScript syntax tree transformer, nondestructive pretty-printer, and automatic source map generator

Resolve npm package details, like name and base path, given an absolute path to a file inside a package

JavaScript parser and stringifier for YAML

KTX 2.0 (.ktx2) parser and serializer.

A natural language date parser in Javascript

Small footprint URL parser that works seamlessly across Node.js and browser environments

Parse binary files with a schema into nicely readable objects

Support for `import <defer|source>` phase syntax in Acorn