Are custom Markdown extensions supported?

The converter focuses on broadly supported Markdown features.

Will HTML be exactly preserved?

Structural elements are preserved; minor whitespace may differ.

Markdown ↔ HTML Converter

Paste Markdown on the left to get HTML, or paste HTML on the right to get Markdown.

Markdown

HTML

Output

Convert Markdown to HTML (and Back) for Publishing

Paste Markdown to get clean HTML for blogs, docs, and CMS fields—or drop HTML to see the Markdown that would produce it. Great for moving content between systems.

Use Cases

CMS migration: Translate existing posts without hand‑rewriting.
Documentation: Keep source in Markdown and export HTML for portals.
Content cleanup: Remove brittle inline styles by round‑tripping.

Notes

Markdown features vary by platform. Stick to common patterns for portability.
Sanitize HTML before embedding in user‑generated contexts.