Last updated: March 2026
What Is the Markdown to HTML Converter?
Over 200,000 developers search for Markdown converters monthly. Whether you are writing documentation, blog posts, or README files, you need a reliable way to transform Markdown into production-ready HTML. This tool does exactly that, instantly and for free.
Markdown was created by John Gruber in 2004 as a lightweight markup language that is easy to read and write. Today it is the standard for developer documentation, static site generators, note-taking apps, and platforms like GitHub, GitLab, and Stack Overflow. Converting Markdown to HTML is one of the most common tasks in a developer's workflow, and this converter makes it effortless with real-time preview and bidirectional conversion.
How to Convert Markdown to HTML
- Select your conversion direction — choose “Markdown to HTML” or “HTML to Markdown” at the top of the tool.
- Paste your content into the left input panel. The output updates in real time as you type, with a 200ms debounce for smooth performance.
- Review the output in the right panel. In MD-to-HTML mode, switch between the rendered Preview tab and the raw HTML Source tab.
- Copy or download your result. Use “Copy HTML” for clipboard or “Download .html” for a file. Toggle “Prettify HTML” for indented, human-readable output.
Key Features
Full GitHub Flavored Markdown (GFM) support means tables, task list checkboxes, strikethrough, fenced code blocks, and autolinks all render correctly. The live preview mimics GitHub's README styling with proper heading borders, alternating table row colors, and styled blockquotes.
Bidirectional conversion lets you go from Markdown to HTML and back. The HTML-to-Markdown engine uses Turndown to produce clean, idiomatic Markdown with ATX headings and fenced code blocks. This is invaluable when you need to migrate content between platforms or extract Markdown from web pages.
Prettified or minified HTML output — toggle the “Prettify HTML” checkbox to get properly indented HTML that is easy to read and edit, or leave it off for compact output ready to paste into a template. Character and word counts on both panels help you track content length.
Everything runs 100% in your browser. No data is uploaded, no account is required, and the tool works offline once loaded. It is fast, private, and free.
Frequently Asked Questions
Does this converter support GitHub Flavored Markdown?
Yes. The converter fully supports GFM including tables, task lists with checkboxes, strikethrough text, fenced code blocks with language hints, and autolinked URLs. The preview renders exactly like a GitHub README.
Is my data sent to a server?
No. All conversion happens entirely in your browser using JavaScript. Your Markdown and HTML never leave your device. Nothing is stored, logged, or transmitted to any server.
Can I convert HTML back to Markdown?
Yes. Toggle to 'HTML to Markdown' mode at the top and paste your HTML. The converter uses Turndown to produce clean, readable Markdown with ATX-style headings and fenced code blocks.
What Markdown syntax is supported?
All standard Markdown plus GFM extensions: headings, bold, italic, strikethrough, links, images, ordered and unordered lists, task lists, blockquotes, horizontal rules, inline code, fenced code blocks, and tables.
Can I download the converted output?
Yes. Click 'Download .html' or 'Download .md' to save the converted output as a file. You can also copy the output to your clipboard with one click.