Free Markdown to HTML Converter
Convert Markdown to clean, semantic HTML instantly with a live preview. Supports the full CommonMark spec plus GitHub Flavored Markdown — headers, bold, italic, links, code blocks, tables, task lists, and more.
What is Markdown?
Markdown is a lightweight markup language created by John Gruber and Aaron Swartz in 2004. Its design philosophy is simple: plain text should be readable as-is, even before being converted to HTML or another format. Instead of verbose HTML tags like <strong> and <em>, Markdown uses intuitive symbols — double asterisks for bold, single asterisks for italic, hash signs for headings, and dashes for list items.
Since its creation, Markdown has become the de facto standard for writing technical documentation, README files, blog posts, forum comments, and notes. It is natively supported by GitHub, GitLab, Bitbucket, Stack Overflow, Reddit, Discord, Notion, Obsidian, and thousands of other platforms. The CommonMark specification standardizes the core syntax, while extensions like GitHub Flavored Markdown (GFM) add features such as tables, strikethrough, and task lists.
This free Markdown to HTML converter lets you write or paste Markdown and instantly see the rendered output and the underlying HTML code. It's perfect for developers, writers, and content creators who need to convert Markdown for websites, emails, or CMS platforms.
How to Convert Markdown to HTML Online
Our converter is designed for speed and simplicity with real-time feedback. Follow these steps:
- Enter your Markdown: Type or paste your Markdown content into the input editor on the left side of the tool. You can write anything from a simple paragraph to a full document with headers, lists, tables, and code blocks.
- See the live preview: As you type, the live preview pane updates in real-time, showing you exactly how your Markdown will render as formatted content. This instant feedback helps you catch syntax errors immediately.
- View the HTML source: Switch to the HTML Source view to see the raw, generated HTML code. This is the code you'll copy for use in your website, CMS, or email template.
- Copy the output: Click the "Copy HTML" button to copy the clean, semantic HTML code to your clipboard. Paste it directly into your project — no cleanup needed.
Markdown Syntax Reference
Here's a comprehensive reference table showing how Markdown syntax maps to HTML elements:
| Element | Markdown Syntax | HTML Output |
|---|---|---|
| Heading 1 | # Heading | <h1>Heading</h1> |
| Heading 2 | ## Heading | <h2>Heading</h2> |
| Heading 3 | ### Heading | <h3>Heading</h3> |
| Bold | **bold text** | <strong>bold text</strong> |
| Italic | *italic text* | <em>italic text</em> |
| Strikethrough | ~~deleted~~ | <del>deleted</del> |
| Link | [text](url) | <a href="url">text</a> |
| Image |  | <img src="url" alt="alt"> |
| Inline Code | `code` | <code>code</code> |
| Code Block | ```language ... ``` | <pre><code>...</code></pre> |
| Unordered List | - item | <ul><li>item</li></ul> |
| Ordered List | 1. item | <ol><li>item</li></ol> |
| Blockquote | > quote | <blockquote>quote</blockquote> |
| Horizontal Rule | --- | <hr> |
| Table | | H1 | H2 | | <table>...</table> |
| Task List | - [x] done | <input type="checkbox" checked> |
Markdown vs HTML vs Rich Text
When it comes to writing and formatting content, you have three primary approaches. Each has its own strengths and ideal use cases:
Markdown
Markdown is the easiest to write and read in its raw form. Its minimal syntax means you can focus on content rather than formatting. It's version-control friendly (works perfectly with Git), portable across platforms, and can be converted to HTML, PDF, DOCX, and other formats. However, Markdown has limited layout and styling control — you can't easily create complex grids, colored text, or interactive elements without dropping into raw HTML.
HTML
HTML provides complete control over document structure, styling, and interactivity. You can do anything with HTML — complex layouts, embedded media, forms, custom styling via CSS, and interactive behavior via JavaScript. However, HTML is verbose, harder to read in source form, and slower to write. It's the output format for web pages, but rarely ideal for authoring content from scratch.
Rich Text (WYSIWYG)
Rich text editors like Google Docs, Microsoft Word, and CMS WYSIWYG editors let you format text visually without seeing any code. They are accessible to non-technical users but produce messy, non-semantic HTML when exported, are not version-control friendly, and often inject vendor-specific formatting. Rich text is best for collaboration and non-technical writing, but poorly suited for web development workflows.
The ideal workflow for many developers and content teams is: write in Markdown → convert to HTML → publish on the web. This gives you the speed and readability of Markdown with the power and universality of HTML.
Why Developers Love Markdown
Markdown has achieved ubiquitous adoption in the developer community for compelling reasons:
GitHub & Version Control
Every GitHub repository uses a README.md file rendered as the project's landing page. Pull request descriptions, issue comments, and wiki pages all support Markdown. Because Markdown is plain text, it diffs cleanly in Git, making it easy to track changes to documentation alongside code. GitLab and Bitbucket use Markdown in the same way.
Documentation & Static Sites
Documentation generators like MkDocs, Docusaurus, Jekyll, Hugo, Gatsby, and Astro all use Markdown as their primary content format. You write documentation in .md files, and the static site generator converts them into beautiful, searchable HTML pages. This is the standard approach for open-source documentation and technical blogs.
Note-Taking & Knowledge Management
Applications like Obsidian, Notion, Logseq, Bear, and Typora use Markdown as their core format. Because Markdown files are plain text, your notes are future-proof — they'll be readable decades from now, regardless of what software you use. There's no vendor lock-in.
Chat & Communication
Platforms like Discord, Slack, Reddit, and Stack Overflow support Markdown syntax for formatting messages. Knowing Markdown lets you write formatted messages quickly without using a toolbar or learning platform-specific formatting.
Tips for Writing Better Markdown
- Leave blank lines between block elements. Paragraphs, headings, lists, code blocks, and blockquotes all need blank lines before and after them. Omitting blank lines is the most common source of rendering issues.
- Use fenced code blocks with language hints. Instead of indented code blocks, use triple backticks with a language identifier (e.g.,
```javascript) for syntax highlighting support. - Use reference-style links for readability. For documents with many links, define links at the bottom (e.g.,
[text][1]with[1]: url) to keep your prose clean and readable. - Indent nested lists consistently. Use 2 or 4 spaces for nested list items. Inconsistent indentation causes rendering errors across different Markdown parsers.
- Escape special characters when needed. Use a backslash (
\) to display literal characters that Markdown would otherwise interpret as formatting:\*not italic\*,\# not a heading. - Preview before publishing. Always preview your Markdown before publishing — our live preview feature makes this effortless. What looks correct in one parser may render differently in another.
- Use HTML sparingly. When Markdown's features aren't sufficient, you can embed raw HTML. However, use this as a last resort — it reduces readability and portability.
Frequently Asked Questions
What is Markdown?
Markdown is a lightweight markup language created by John Gruber in 2004. It uses simple, human-readable plain text syntax to format text — such as # for headings, ** for bold, and - for lists — which can be converted to HTML or other formats. It's widely used for documentation, README files, blog posts, and note-taking across platforms like GitHub, GitLab, Notion, and Obsidian.
Is this converter free to use?
Yes, this Markdown to HTML converter is completely free with no limitations, no signup required, and no hidden costs. All conversion happens entirely in your browser using JavaScript, so your content remains 100% private and is never sent to any server.
Does this tool support GitHub Flavored Markdown (GFM)?
Yes, our converter supports GitHub Flavored Markdown extensions including tables (pipe syntax), strikethrough text (~~text~~), task lists (- [x] done), fenced code blocks with language-specific syntax highlighting, and autolinked URLs. These extensions work alongside the full CommonMark specification.
Can I use the generated HTML in my website?
Absolutely. The HTML output is clean, well-structured, and uses semantic HTML5 tags. You can paste it directly into your website, blog, CMS (like WordPress, Ghost, or Drupal), email templates, or any project that accepts HTML. No additional cleanup or post-processing is needed.
Is Markdown better than HTML for writing content?
Markdown is much easier and faster to write than raw HTML, making it ideal for content creation, documentation, and note-taking. However, HTML offers far more control over layout, styling, and interactivity. Markdown is best for authoring content; HTML is best for building web pages. The ideal workflow is to write in Markdown and convert to HTML for publishing.
What Markdown elements are supported?
This converter supports the full CommonMark specification plus GFM extensions: headings (h1 through h6), bold, italic, strikethrough, links, images, ordered and unordered lists, task lists, blockquotes, inline code, fenced code blocks with syntax highlighting, horizontal rules, tables, and deeply nested elements. You can also embed raw HTML when needed.
Does the converter preserve my formatting exactly?
Yes, the converter faithfully translates standard Markdown syntax to its corresponding HTML elements. The live preview shows you exactly how your content will render in a browser. If something looks unexpected, double-check your Markdown syntax — the most common issues are missing blank lines between block elements or inconsistent indentation in nested lists.