markdig

Uses a non-regex parser designed for low GC pressure, making it exceptionally fast for processing large volumes of Markdown, as highlighted in benchmarks.

Passes over 600 CommonMark specification tests, ensuring reliable and predictable Markdown rendering across different inputs.

Features a pluggable parsing system that allows developers to customize core behavior or add new syntax, enabling fine-grained control over Markdown processing.

Includes 20+ extensions like tables, footnotes, math, and diagrams, providing advanced Markdown features without external dependencies.

Preserves trivia such as whitespace for lossless parse-render cycles, ideal for building Markdown editors that need to maintain document integrity.