OomTools

Markdown to HTML Converter

Convert Markdown into ready-to-use, sanitized HTML you can paste straight into a website or email. It supports GitHub-flavored Markdown and runs in your browser, so your content is never uploaded.

  • 100% free
  • Private & safe
  • Runs in your browser

Why use Markdown to HTML?

Markdown to HTML is a quick, no-nonsense developer utility that runs entirely client-side, so your code and data never leave your machine.

  • Runs instantly in your browser — nothing to install, nothing uploaded.
  • Completely free, with no account, no watermarks and no usage limits.
  • Handles Input: GitHub-flavored Markdown; Output: sanitized HTML.
  • Paste your Markdown.
  • Works on any device — desktop, tablet and phone — and is fully keyboard accessible.

How to use Markdown to HTML

  1. Paste your Markdown.
  2. Click Convert to produce sanitized HTML.
  3. Review or copy the HTML output.
  4. Download it as an .html file if needed.

Examples

  • Turning a Markdown article into HTML for a CMS.
  • Converting notes into HTML for an email.

Supported formats & limits

  • Input: GitHub-flavored Markdown
  • Output: sanitized HTML

Limitations

  • The HTML is sanitized, so unsafe tags/attributes are removed.
  • Output is a fragment, not a full HTML document.

Frequently asked questions

Is the HTML safe to use?

Yes, it is sanitized to remove dangerous markup.

Does it produce a full page?

It outputs an HTML fragment; wrap it in your own page template.

Is my content uploaded?

No — conversion is local to your browser.

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