Free tool

Free markdown to HTML converter

Convert markdown to HTML, preview the rendered result, and decide whether the page is ready to publish. No signup and no upload.

Last updated: 2026-05-09

Markdown converter and previewer

Paste markdown below. The converter supports headings, paragraphs, bullets, numbered lists, blockquotes, bold, italic, inline code, fenced code blocks, and horizontal rules.

Preview

0 words
Your rendered preview will appear here.

How to use this markdown to HTML converter

  1. Paste markdown from your editor, AI workflow, report, or README.
  2. Click Convert to HTML to see a browser-friendly version.
  3. Copy the generated HTML if you need a quick conversion.
  4. Use Markshare when the next step is publishing the markdown as a shareable webpage.

When this is useful

This tool is useful before sending a report, publishing a technical note, checking an AI-generated markdown answer, or turning a draft into a shareable page.

Publish after converting

Converting and previewing helps catch formatting problems. Publishing makes the markdown useful to someone else. Markshare is the ReScience Lab product for turning markdown into webpages from the terminal.

FAQ

Is this markdown to HTML converter free?

Yes. The converter runs in your browser and does not require signup.

Does this upload my markdown?

No. The tool is client-side, so the markdown you paste stays in your browser.

What should I use after converting markdown to HTML?

If you want to turn the markdown into a shareable webpage, use a publishing workflow such as Markshare.