A markdown parser and compiler. Built for speed.
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Updated
Apr 21, 2026 - JavaScript
A parser turns its input (often text in form of a file) into a more advantageous representation (usually a certain data structure in memory) to perform a specific task.
Common examples include:
A markdown parser and compiler. Built for speed.
A web tool to explore the ASTs generated by various parsers.
Node.js body parsing middleware
📜 Extract meaningful content from the chaos of a web page
🗜 JavaScript parser, mangler and compressor toolkit for ES6+
Markdown parser, done right. Commonmark support, extensions, syntax plugins, high speed - all in one. Gulp and metalsmith plugins available. Used by Facebook, Docusaurus and many others! Use https://github.com/breakdance/breakdance for HTML-to-markdown conversion. Use https://github.com/jonschlinkert/markdown-toc to generate a table of contents.
Mathematical expression evaluator in JavaScript
📜🔜🌲 Simple, fast, powerful parser toolkit for JavaScript.
A library and language for building parsers, interpreters, compilers, etc.
Parse your code to extract translation keys/values and manage your catalog files
Javascript Library parsing Excel Formulas and more
Converter utility between XML text and Javascript object / JSON text.