Markdown to HTML

Convert Markdown to HTML with live preview.

Markdown

HTML Preview

Hello World

Write markdown here and see the preview update in real time.

Item one
Item two

console.log("code block");

Raw HTML Output

<h1>Hello World</h1>
<p>Write <strong>markdown</strong> here and see the preview update in real time.</p>
<ul>
<li>Item one</li>
<li>Item two</li>
</ul>
<pre><code class="language-js">console.log(&quot;code block&quot;);
</code></pre>

About this Markdown to HTML

Markdown to HTML converts Markdown documents into HTML with a live preview for docs, READMEs, and content drafts. Writers sketch posts in Markdown; developers preview README rendering; freelancers hand clients HTML snippets from outlines. Paste Markdown, review the HTML output and preview, then copy markup into CMS fields that accept HTML. Conversion is client-side—useful for confidential drafts. Markdown dialects vary (GFM tables, footnotes); confirm features your target renderer supports, and sanitize HTML before injecting untrusted Markdown into applications to avoid XSS. Pin a Markdown dialect in docs so contributors know which extensions render. Run link checkers on emitted HTML for long-lived knowledge bases. Sanitize when Markdown comes from end users rather than trusted writers. Keep iterating with this markdown to html workflow until the output matches your checklist.

How to use

1Paste Markdown into the editor.
2Generate or view the HTML conversion.
3Check the live preview for headings, lists, and links.
4Copy the HTML output.
5Paste into your CMS or sanitize before rendering untrusted content.

About the Free Markdown to HTML

Our free markdown to html lets you convert Markdown to HTML with live preview. Everything runs locally in your browser — no account, no upload to servers, and no waiting.

Whether you searched for "markdown to html" or need a reliable developer utility, Pinnacle Toolbox delivers instant results. Join thousands of users who prefer privacy-first tools that work on any device.

Part of our free developer tools online collection, this tool is designed for speed and simplicity. Open it, paste or upload your input, and get results immediately.

Markdown to HTML Features

100% free with no hidden limits
Runs entirely in your browser — data stays private
No login, sign-up, or email required
Works on desktop, tablet, and mobile
Instant processing with no server round-trip

When to Use Markdown to HTML

Debugging and formatting JSON API responses
Encoding credentials or tokens for testing
Generating secure passwords and UUIDs for development
Minifying HTML and CSS before deployment

Frequently asked questions

Which Markdown flavor is used?

CommonMark/GFM-like features are typical; advanced extensions may differ from GitHub’s renderer.

Are raw HTML blocks in Markdown preserved?

Many converters allow inline HTML—treat untrusted input carefully.

Do tables work?

Pipe tables often work when GFM-style support is enabled; verify in preview.

Will classes and IDs be generated for headings?

Depends on the converter options—do not assume automatic heading IDs.

Is this enough for a static site?

It helps preview; production sites usually run Markdown through their SSG pipeline.

HTML Minifier

Minify HTML by removing whitespace and comments.

HTML Entity Encoder

Encode and decode HTML entities safely.

JSON Formatter

Format, minify, and validate JSON data.

CSS Minifier

Minify CSS to reduce file size.