md2html

A service that converts Markdown to beautiful HTML. Support full-featured syntax。See the Render Preview.

Tip

This service is powered by Deno & Deno Deploy.

Usage

fetch('https://md-to-html.deno.dev', {
  method: 'POST',
  body: '## Hello, World!',
}).then((res) => res.text());

Features

• GitHub Flavored Markdown (GFM)
  • Emoji Transform: :smile: -> 😄
  • Autolink: https://example.com -> <a href="https://example.com">https://example.com</a>
  • Code Block: -> code block
  • Table: | header | header | -> table
  • Task List: - [x] -> checked, - [ ] -> unchecked
• GitHub Styled Alert
  • > [!INFO] -> info alert
  • > [!TIP] -> tip alert
  • > [!IMPORTANT] -> important alert
  • > [!WARNING] -> warning alert
  • > [!CAUTION] -> caution alert
• KaTeX (Math expressions)
  • $$ ... $$: display math
  • \[ ... \]: display math
  • $ ... $: inline math
• Code Block Powered by Shiki (The Modern Beautiful Syntax Highlighter)
  • Support 200+ languages & 54+ beautiful themes
  • Useful Notations (available in this service):
    • transformerNotationDiff(): like: +const a = 1
    • transformerNotationFocus(): like: // [!code focus]
    • transformerMetaHighlight(): like: ```js {1,3-5}
    • transformerMetaWordHighlight(): like: ```js /Hello/
    • transformerNotationHighlight(): like: // [!code highlight]
    • transformerNotationErrorLevel(): like: [!code error] & [!code warning]
    • transformerNotationWordHighlight(): like: // [!code word:Hello]
• Heading Anchor
  • a link icon on the right of the heading when hover
• Footnote
  • [^1]: Footnote Content

Render Preview

See the Render Preview.

License

MIT License © 2025-PRESENT Viki