Tool Fu
$ toolfu run markdown-to-html

Markdown to HTML Converter — Convert Markdown to HTML Online Free

Convert Markdown to clean HTML instantly with live preview. Supports headings, bold, italic, code blocks, tables, and more — free, runs in your browser.

all processing runs in your browser
markdown-to-html
input > markdown
output
<h1>Hello World</h1>
<p>This is a <strong>bold</strong> and <em>italic</em> text example.</p>
<h2>Features</h2>
<ul>
<li>Fast conversion</li>
<li>Live preview</li>
<li>Copy HTML output</li>
</ul>
<h3>Code Block</h3>
<pre><code class="language-javascript">const greeting = "Hello from Tool Fu!";
console.log(greeting);
</code></pre>
<blockquote>
<p>Blockquote: Everything runs in your browser.</p>
</blockquote>
<table>
<thead>
<tr>
<th>Column 1</th>
<th>Column 2</th>
</tr>
</thead>
<tbody><tr>
<td>Cell 1</td>
<td>Cell 2</td>
</tr>
<tr>
<td>Cell 3</td>
<td>Cell 4</td>
</tr>
</tbody></table>
<p><a href="https://toolfu.dev">Visit Tool Fu</a></p>

Free Markdown to HTML Converter

Convert Markdown to HTML online with live preview. Paste Markdown, get clean HTML output instantly.

Features

  • Full CommonMark and GFM support
  • Live HTML preview
  • Copy raw HTML to clipboard
  • Tables, code blocks, blockquotes
  • 100% private — runs in your browser
$ cat FAQ.md
What Markdown syntax is supported?
Full CommonMark and GitHub Flavored Markdown (GFM) including headings, bold, italic, links, images, code blocks, tables, blockquotes, and lists.
Can I preview the rendered HTML?
Yes. Switch between 'html' view (raw HTML code) and 'preview' view (rendered output) using the toggle buttons.
Does it support syntax highlighting in code blocks?
The converter outputs standard HTML code blocks. Syntax highlighting depends on the CSS you apply to the output.
Is my content processed locally?
Yes. All conversion runs in your browser using the marked library. Nothing is uploaded.