Markdown ↔ HTML Converter

code

Convert Markdown to HTML or HTML to Markdown. Choose CommonMark or GitHub Flavored Markdown (GFM), sanitize risky HTML, and copy clean output for docs, CMS, or email.

Markdown ↔ HTML Converter
Convert between Markdown and HTML with optional sanitization
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Options

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Markdown ↔ HTML Converter - Free, Online, Local

What is a Markdown ↔ HTML converter?

This tool turns Markdown into HTML or HTML back into Markdown so you can move content between docs, CMSs, and email without hand-editing tags. It runs in your browser, so drafts stay private.

How to use the converter

  1. Choose direction: Select “Markdown → HTML” or “HTML → Markdown.”
  2. Paste content: Drop your Markdown or HTML into the main box.
  3. Sanitize (optional): Leave sanitization on to strip scripts/iframes/style tags from pasted HTML.
  4. Copy output: Grab the converted result and paste it into your CMS, editor, or email.

Why use this converter?

  • Fast round-trips: Swap formats in one click instead of manual find/replace.
  • Safer HTML: Optional sanitization removes risky tags from unknown sources.
  • Offline-friendly: All processing stays in your browser; no uploads.

Use case 1: CMS import

Draft in Markdown, convert to HTML, and paste into a WYSIWYG that expects tags.

Use case 2: Email cleanup

Strip risky tags from pasted HTML before sending to a mailing platform.

Use case 3: Docs round-trip

Copy HTML snippets from design handoffs, convert to Markdown, and drop into your repo.

Examples

Basic example (Markdown → HTML)

Input:

# Title

**Bold** and *italic* with a [link](https://textavia.com).

Output: <h1>Title</h1><p><strong>Bold</strong> and <em>italic</em> with a <a href="https://textavia.com">link</a>.</p>

HTML → Markdown

Input: <h2>Subhead</h2><p>Paragraph with <strong>bold</strong> text.</p>
Output:

## Subhead

Paragraph with **bold** text.

Common errors

Script/style tags still present

Turn on “Strip scripts/iframe/object” to remove them before conversion.

Lists collapsing

If a pasted list was malformed HTML, fix the source first; this converter assumes valid list tags.

Tips and proven approaches

  • Keep links clean: convert, then run URLs through the URL encoder if you add parameters.
  • For long docs, convert section by section to keep context clear.
  • If you see double line breaks in Markdown, trim trailing spaces in the source HTML.

Related tools

Privacy and security

All conversion and sanitization happen locally in your browser. No content is uploaded or stored.

Frequently Asked Questions
Yes. All parsing and string replacements happen in your browser.
When enabled, it removes unsafe HTML (like scripts) before conversion. This is helpful when you paste HTML from unknown sources.
CommonMark is a standardized core Markdown spec. GFM adds popular extras like tables, strikethrough, and task lists.