Markdown to HTML Converter

Convert Markdown to HTML or HTML to Markdown online, with live preview. Runs 100% in your browser - nothing is uploaded.

Preview

Your files never leave your browser. Nothing is uploaded to any server. Privacy Policy

Convert Markdown to clean HTML or paste HTML to get back idiomatic Markdown. Live side-by-side preview, GitHub-flavored Markdown support, and copy-to-clipboard for easy pasting into READMEs, blog posts or CMS editors.

How to convert Markdown and HTML

1
Pick direction

Choose Markdown -> HTML or HTML -> Markdown.

2
Paste source

Type or paste your content into the input area.

3
Copy output

The converted result appears live - click Copy to grab it.

📝
Markdown -> HTML

GitHub-flavored Markdown rendered to standards-compliant HTML.

↔️
HTML -> Markdown

Reverse conversion using Turndown - paste HTML to get clean Markdown back.

👀
Live preview

Output updates as you type - see your formatted result instantly.

🔒
Local processing

Conversion runs entirely in your browser - your text isn't uploaded.

FAQ

GitHub Flavored Markdown (GFM) including tables, task lists, fenced code, strikethrough and autolinks.

Yes. Switch to HTML -> Markdown mode - Turndown converts HTML to readable Markdown.

Yes - inline HTML in Markdown is preserved in the output.

The HTML output uses standard tags and is safe for any Markdown-rendering CMS, README or blog. Always sanitize HTML on the server side if you accept user input.

No. The libraries (marked, turndown) run in your browser - nothing leaves your device.

More free tools

{ }
JSON Formatter

Format, validate and minify JSON instantly
🔡
Base64 Encoder / Decoder

Encode and decode Base64 strings online
🔗
URL Encoder / Decoder

Encode and decode URL strings and query parameters
⟨⟩
HTML Entities Encoder / Decoder

Convert special characters to HTML entities and back
🔍
Regex Tester

Test JavaScript regular expressions with live match highlighting
#️⃣
Hash Generator

Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text and files