Convert Markdown to HTML instantly online. Live preview of rendered Markdown with syntax highlighting. Free tool for developers and writers.
What Is Markdown to HTML Converter Online?
Markdown is a lightweight markup language that lets you format text using simple symbols — headings with hash signs, bold with asterisks, links with brackets. It was designed to be readable as plain text while converting cleanly to HTML. Markdown is used everywhere: GitHub README files, documentation sites, blogging platforms, note-taking apps and technical writing.
This converter transforms Markdown into HTML in real time, with a live preview so you can see exactly how your content will render. It supports the full CommonMark specification including headings, emphasis, links, images, code blocks, tables and blockquotes.
How to Use This Tool
Type or paste your Markdown content in the left panel.
The HTML output and rendered preview update in real time as you type.
Switch between the HTML code view and the visual preview using the tabs.
Copy the generated HTML using the copy button.
Use the preview to check that your formatting renders as expected.
Tips & Best Practices
Leave a blank line between paragraphs — Markdown treats single line breaks as spaces.
Use fenced code blocks (triple backticks) with a language name for syntax-highlighted code.
For tables, align the header separator (---) with colons for left (:---), centre (:---:) or right (---:) alignment.
Use reference-style links [text][id] at the bottom of your document to keep long URLs from cluttering your content.
Common Use Cases
Writing and previewing GitHub README files before committing.
Converting blog post drafts from Markdown to HTML for CMS platforms.
Creating documentation with proper formatting and code examples.
Converting meeting notes or technical specifications into shareable HTML pages.
Frequently Asked Questions
How do I convert Markdown to HTML?
Paste or type your Markdown in the input panel. The HTML output and live preview update in real time as you type.
What Markdown syntax is supported?
The converter supports standard Markdown including headings, bold, italic, links, images, code blocks, lists, tables and blockquotes.