Markdown to HTML Converter

Convert Markdown to clean HTML with live preview. Supports GFM tables, code blocks, and more — all in your browser.

Markdown

HTML Output

<h1>Markdown to HTML Converter</h1>
<p>Convert <strong>Markdown</strong> to clean, valid HTML with live preview.</p>
<h2>Features</h2>
<ul>
<li>GitHub Flavoured Markdown (GFM) support</li>
<li>Tables, task lists, and strikethrough</li>
<li>Fenced code blocks with language hints</li>
<li><code>Inline code</code> and blockquotes</li>
<li>Automatic line break handling</li>
</ul>
<h2>Code Example</h2>
<pre><code class="language-javascript">function greet(name) {
  return `Hello, ${name}!`;
}
</code></pre>
<h2>Table Example</h2>
<table>
<thead>
<tr>
<th>Name</th>
<th>Role</th>
<th>Score</th>
</tr>
</thead>
<tbody><tr>
<td>Alice</td>
<td>Developer</td>
<td>98</td>
</tr>
<tr>
<td>Bob</td>
<td>Designer</td>
<td>87</td>
</tr>
</tbody></table>
<blockquote>
<p>Blockquote: &quot;Any fool can write code that a computer can understand.<br>Good programmers write code that humans can understand.&quot; — Martin Fowler</p>
</blockquote>
<hr>
<p>Visit <a href="https://stackutils.dev">StackUtils</a> for more free dev tools.</p>

751 chars in · 1024 chars out · 40 HTML lines

Frequently Asked Questions

What Markdown features are supported?

The converter uses the marked library with GFM (GitHub Flavoured Markdown) enabled. This includes headings, bold, italic, links, images, ordered and unordered lists, fenced code blocks, tables, blockquotes, inline code, horizontal rules, and line breaks.

Is my content processed on a server?

No. All conversion is done entirely in your browser using the marked JavaScript library. Your Markdown text is never sent to any server.

What is GFM (GitHub Flavoured Markdown)?

GFM is a superset of standard Markdown used by GitHub. It adds support for fenced code blocks (```), tables, task lists (- [ ]), strikethrough (~~text~~), and automatic URL linking.

How do I use the downloaded HTML file?

The downloaded .html file contains the converted HTML fragment (without a full document shell). You can embed it inside a <body> tag, paste it into a CMS, or wrap it in a full HTML document template.

Why Convert Markdown to HTML?

Markdown is designed to be written, not served. When you need to publish content to the web — embed it in a CMS, inject it into an email template, or paste it into a page builder — you need the equivalent HTML. Converting Markdown to HTML lets you:

Paste rich content into WordPress, Ghost, or Webflow without losing formatting.
Send styled email newsletters using a Markdown-first workflow.
Embed documentation in static HTML pages without a Markdown runtime.
Audit the exact HTML structure generated by your Markdown renderer.

What HTML Does This Tool Generate?

The converter uses the marked library with GitHub Flavored Markdown (GFM) enabled. It outputs a clean HTMLfragment — no <!DOCTYPE>, no <html>, no <head>. Wrap the fragment in a full document template when you need a standalone HTML file:

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>My Document</title>
</head>
<body>
  <!-- Paste the converted HTML here -->
</body>
</html>

Sanitizing the Output

If the Markdown source is written by users (comments, forum posts, user profiles), the generated HTML must be sanitizedbefore rendering, because raw Markdown can contain inline HTML tags including<script>and onerror=event handlers. Popular server-side sanitizers:

DOMPurify (browser & Node.js — most popular)
sanitize-html (Node.js, configurable allowlist)
bleach (Python)
HtmlSanitizer (.NET)