What Is Markdown? A Complete Guide to Lightweight Markup
Learn what Markdown is, how it works, and why it has become the go-to format for documentation, notes, and web content. Includes syntax guide and practical tips.
Jun 23, 2026
Paste HTML on the left, get clean Markdown output on the right in real-time.
Tip
Supports headings, bold, italic, links, images, code blocks, lists, blockquotes, tables, horizontal rules, and inline code. The conversion runs 100% in your browser using the Turndown library.
| HTML Element | Markdown Output |
|---|---|
| <h1>Heading</h1> | # Heading |
| <strong>bold</strong> | **bold** |
| <em>italic</em> | *italic* |
| <a href="url">text</a> | [text](url) |
| <img src="url" alt="alt"> |  |
| <pre><code>...</code></pre> | ``` ... ``` |
| <code>code</code> | `code` |
| <ul><li>item</li></ul> | - item |
| <ol><li>item</li></ol> | 1. item |
| <blockquote>quote</blockquote> | > quote |
| <hr> | --- |
| <table><tr><td>A</td></tr></table> | | A | |
This tool supports most common HTML elements including headings, paragraphs, lists, tables, links, images, code blocks, and blockquotes. Complex layouts with extensive CSS styling may produce simplified Markdown.
No. All conversion happens 100% client-side in your browser using the Turndown library. Your HTML never leaves your machine.
The opposite is the Markdown to HTML converter, which converts Markdown back to HTML with a live preview editor.
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