Markdown to HTML Converter

Convert Markdown to clean HTML code instantly — paste, convert, and copy.

Input Markdown
Output HTML
Converted HTML will appear here...
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About Markdown to HTML Converter

Markdown to HTML Converter is a free online tool that transforms Markdown syntax into clean, valid HTML using the CommonMark-compliant marked library. Headings, bold and italic text, ordered and unordered lists, fenced code blocks, blockquotes, links, images, tables, and task lists are all converted to their correct HTML equivalents in a single click.

It is built for moments when you need the rendered markup rather than the raw source: pasting content into a CMS that accepts HTML, generating static pages from README files, injecting formatted copy into an email template, or preparing documentation for a help desk. Instead of running a build tool or a server-side script, you get the HTML instantly without leaving your browser.

Every conversion runs entirely in your browser — your Markdown is never uploaded, logged, or transmitted to any server. The built-in preview mode lets you toggle between the raw HTML output and a live rendered view so you can verify the result looks correct before copying. The tool is free with no account, no rate limits, and no file-size restrictions.

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Key Features

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CommonMark-compliant output

Conversion is powered by the marked library, which follows the CommonMark spec. Headings, emphasis, links, images, fenced code blocks, and blockquotes all produce standards-correct HTML elements.

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Extended syntax support

Tables, strikethrough text, and task-list checkboxes (GitHub Flavored Markdown extensions) are converted correctly, not left as raw Markdown characters.

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Live HTML preview

Toggle between raw HTML code view and a rendered preview at any point, so you can confirm spacing, list nesting, and link text before copying.

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100% client-side

The marked library runs entirely in your browser. Nothing is uploaded to a server, making it safe to convert private documentation, drafts, or proprietary content.

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Instant conversion

Click Convert once and the full HTML appears immediately. No waiting for a round trip, no throttling, and no size limits.

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One-click copy

Copy the entire HTML output to your clipboard with a single button and paste it straight into your CMS, template, or code editor.

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How to Use

01

Paste Markdown

Copy your Markdown content and paste it into the left editor pane.

02

Convert

Click "Convert" to transform your Markdown into HTML code.

03

Copy Result

Use the copy button to grab your HTML output, or toggle preview to see the rendered result.

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Example

Markdown headings, bold text, a link, and a code block are each converted to their correct HTML equivalents.

Markdown input
## Getting Started

Install the package with **npm**:

```bash
npm install my-package
```

See the [documentation](https://example.com) for full details.
HTML output
<h2>Getting Started</h2>
<p>Install the package with <strong>npm</strong>:</p>
<pre><code class="language-bash">npm install my-package
</code></pre>
<p>See the <a href="https://example.com">documentation</a> for full details.</p>
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Common Use Cases

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    Publishing to HTML-only CMSs

    Platforms such as older WordPress installs, Shopify page builders, or email marketing editors accept HTML but not raw Markdown. Convert your draft once and paste the output directly.

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    Generating static page content from README files

    Open-source projects write documentation as Markdown README files. Convert them to HTML snippets to embed in landing pages or help portals without a full static-site build.

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    Building HTML email templates from copy drafts

    Copywriters often draft in Markdown for readability. Convert the structured copy to HTML paragraphs, bold text, and lists that slot into an email template without reformatting by hand.

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    Preparing developer documentation for delivery

    API reference docs and technical guides written in Markdown need to be rendered as HTML before they can be embedded in a developer portal, intranet, or PDF pipeline.

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    Previewing Markdown render before committing

    Verify exactly how a README, wiki article, or documentation page will look once GitHub or another renderer processes it, catching list indentation errors or broken links before pushing.

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Frequently Asked Questions

What is Markdown to HTML Converter? expand_more
Markdown to HTML Converter is a free online tool that converts Markdown-formatted text into clean HTML code. It supports all standard Markdown syntax including headings, bold, italic, links, images, lists, code blocks, tables, and more.
Is my content secure? expand_more
Yes. All conversion happens entirely in your browser using JavaScript. No data is sent to any server, ensuring your content remains private and secure.
What Markdown syntax is supported? expand_more
The tool supports the full CommonMark specification plus GFM extensions: headings (h1-h6), bold, italic, strikethrough, links, images, fenced code blocks with language tags, blockquotes, ordered and unordered lists, tables, and task-list checkboxes.
Can I preview the rendered HTML? expand_more
Yes. Use the Preview toggle to switch between viewing the raw HTML code and seeing the rendered output as it would appear in a browser.
How is this different from an HTML to Markdown converter? expand_more
This tool goes in the opposite direction — it takes Markdown source and produces HTML. If you already have HTML and need Markdown (for example to edit content in a wiki), use the HTML to Markdown converter instead.
How is this different from an HTML to Text converter? expand_more
The HTML to Text tool strips markup and returns readable plain text. This tool creates markup — it takes plain Markdown syntax and outputs structured HTML tags such as h2, ul, code, and a.
Does it support fenced code blocks with syntax highlighting? expand_more
The tool converts fenced code blocks to HTML pre and code elements with the appropriate language class (for example class="language-bash"). Actual syntax coloring requires a highlight library such as highlight.js or Prism applied separately on your target page.
Is there a file size or character limit? expand_more
There is no imposed limit. Everything runs locally in your browser, so you can convert large documentation files; the only constraint is your device memory.