A very fast HTML parser, generating a simplified DOM, with basic element query support.

Validate XML, Parse XML, Build XML without C/C++ based libraries

Validates XML name productions — Name, NCName, QName, NMToken, NMTokens — for XML 1.0 and 1.1

Parse, validate, traverse, transform, and optimize Oniguruma regular expressions

An inline style parser.

Detect Browser, Engine, OS, CPU, and Device type/model from User-Agent & Client Hints data. Supports browser & node.js environment

Binary plist parser.

JSON, JSONC and JSON5 parser for use with ESLint plugins

Parse CSS media query lists.

Generic JSDoc-like comment parser

Oxc Parser Node API

A module that parses a string as regular expression and returns the parsed value.

parser for worldwide holidays

Streaming HTML parser with scripting support.

WebAssembly text format parser

Streaming CSV parser that aims for maximum speed as well as compatibility with the csv-spectrum test suite

HTML/XML processor

Extract meaning from JS Errors

Babel plugin which switches Babel to use the Hermes parser.

A CSS property value parser for use with PostCSS