baoyu-markdown-to-html

Converts Markdown into styled HTML with WeChat-compatible themes. Supports syntax highlighting for code blocks, math rendering (KaTeX/MathJax), PlantUML diagrams, footnotes, alert/warning/info blocks, and infographic elements. Use this when a user asks for 'markdown to html', 'convert md to html', 'md to html', or needs polished, styled HTML output from Markdown.