Markdown Preview

Write Markdown and see a live HTML preview side by side

What is it and how does it work?

Markdown is a lightweight way to write formatted text using plain characters: a # makes a heading, **stars** make text bold, and a dash starts a list. A Markdown preview shows you the rendered HTML result side by side with what you type, so you can see exactly how the headings, links, code blocks and lists will look before you publish them. It removes the guesswork of writing for platforms like GitHub, Reddit, documentation sites or static blogs where you submit Markdown and only see the result after saving.

The value of a live preview is catching formatting mistakes the moment they happen — a list that didn't render because it was missing a blank line above it, a link with a misplaced bracket, or a code block that swallowed the rest of your text because a fence was left open. This tool renders as you type and stays entirely in your browser, so you can draft README files, comments or notes privately and copy either the Markdown source or the generated HTML when you are done.

Common use cases

• Writing a GitHub README: draft your project description with headings, badges and code blocks and confirm it renders correctly before committing it.
• Drafting documentation: preview tables, links and nested lists to make sure the structure holds together before pasting into a docs platform.
• Learning Markdown: type a syntax element and immediately see what it produces, which is the fastest way to learn the rules by example.

Frequently asked questions

What Markdown flavour does this preview use?

It follows standard CommonMark conventions plus common extensions like fenced code blocks and tables. Most platforms build on the same base, so what you see here matches GitHub, GitLab and typical static-site generators closely, though platform-specific features may differ slightly.

Why does my list or heading not render?

Markdown usually needs a blank line before a block element. A list pressed directly under a paragraph, or a heading without a space after the #, is treated as plain text. Adding an empty line above the block almost always fixes it.

Can I get the HTML output, not just the preview?

Yes — the preview is generated from real HTML, so you can copy the rendered markup to paste into a CMS or email template, or copy the Markdown source to submit to a platform that expects Markdown.

Is my text uploaded anywhere?

No. The conversion runs entirely in your browser with JavaScript, so nothing you type is sent to a server. You can safely draft private notes, internal docs or unpublished content.

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