Is the output sanitized?

No — we return raw HTML as the Markdown requests. If you'll inject it into a page, sanitize with DOMPurify first.

Does it support footnotes and math?

Footnotes via GFM flag. Math (KaTeX) isn't built in yet.

Convert Markdown to HTML with GitHub-flavored extensions.

Paste, drop a file, or .

GitHub-flavored (tables, task lists)Enable

Convert line breaks to <br>Enable

1
Paste Markdown
Any .md content — full document or snippet.
2
Toggle GFM and breaks
GFM on for GitHub-style features; breaks on to treat every newline as <br>.

Is the output sanitized?: No — we return raw HTML as the Markdown requests. If you'll inject it into a page, sanitize with DOMPurify first.
Does it support footnotes and math?: Footnotes via GFM flag. Math (KaTeX) isn't built in yet.