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Markdown Editor

Write Markdown and render it to HTML with fine-grained Showdown options — autolinks, literal mid-word underscores/asterisks, strikethrough, tables, simple line breaks, open-links-in-new-window and emoji. Preview live and copy the source.

Input

Options

Output

HTML source

Your rendered Markdown will appear here.

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The Markdown Editor turns Markdown into HTML as you type, with a live preview beside the source. Unlike a plain Markdown-to-HTML converter, it exposes the fine-grained rendering options of the Showdown engine, so you can control exactly how ambiguous syntax is handled — useful when your text mixes prose with code, URLs and emoji.

Paste or type Markdown on the left, flip the options you want, and the HTML source appears on the right, ready to copy or download. The preview underneath shows the rendered result.

What makes this different from a basic converter

A standard Markdown-to-HTML tool gives you one or two switches (GFM, line breaks). This editor adds the options that matter when Markdown collides with real-world text:

  • Simplified auto-link — bare URLs like https://example.com become clickable links without needing []() syntax.
  • Literal mid-word underscores — stops some_long_variable_name from turning long into emphasis. Essential when you write about code without wrapping every identifier in backticks.
  • Literal mid-word asterisks — the same protection for a*b*c-style text.
  • Strikethrough — renders ~~text~~ as struck-out text.
  • Tables — renders GitHub-style pipe tables. The delimiter row needs at least three dashes per column (|---|---|).
  • Simple line breaks — turns a single newline into a <br>, the way comments render on GitHub, instead of requiring two trailing spaces.
  • Open links in new window — adds target="_blank" and a rel="noopener noreferrer" to every generated link.
  • Emoji — converts shortcodes such as :smile: and :tada: into their Unicode emoji (😄 🎉).

How to use it

  1. Enter your Markdown in the input box.
  2. Toggle the options for the output you want — autolinks, strikethrough, tables and emoji are on by default.
  3. Copy the HTML source, download it as an .html file, or send it to another tool.

Why does the preview drop links and strikethrough?

The live preview is sanitized for safety, which strips <a> and <del> tags. Those elements are still present and correct in the HTML source on the right — that is the authoritative output you copy or download. If you paste raw HTML into your Markdown, it passes straight through to the source, exactly as it would in any Markdown renderer.

Is my text uploaded anywhere?

No. Conversion runs entirely in your browser, so your Markdown never leaves your device.

Want a visual HTML editor instead?

If you'd rather edit formatted content directly, try the WYSIWYG HTML Editor. This tool is for people who prefer to write in Markdown and control the exact HTML that comes out.

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