Content•8 min read
HTML to Markdown and Back: Complete Conversion Guide
Convert between HTML and Markdown formats. Learn syntax mapping and when to use each format.
By Andy Pham
HTML to Markdown and Back: Complete Conversion Guide
HTML and Markdown are two of the most common markup languages. Understanding conversion between them is essential.
Markdown vs HTML Comparison
| Feature | Markdown | HTML |
|---|---|---|
| Learning Curve | Easy | Moderate |
| Readability | Excellent | Poor |
| Flexibility | Limited | Complete |
Basic Syntax Mapping
Headings
# Heading 1
## Heading 2
### Heading 3
<h1>Heading 1</h1>
<h2>Heading 2</h2>
<h3>Heading 3</h3>
Text Formatting
| Style | Markdown | HTML |
|---|---|---|
| Bold | bold | bold |
| Italic | italic | italic |
| Code | code |
code |
Links and Images
[Link Text](https://example.com)

<a href="https://example.com">Link Text</a>
<img src="image.jpg" alt="Alt Text">
Lists
- Item 1
- Item 2
1. First
2. Second
<ul>
<li>Item 1</li>
<li>Item 2</li>
</ul>
<ol>
<li>First</li>
<li>Second</li>
</ol>
JavaScript Conversion
Markdown to HTML
import { marked } from 'marked';
const markdown = '# Hello
**bold** text';
const html = marked.parse(markdown);
HTML to Markdown
import TurndownService from 'turndown';
const turndown = new TurndownService();
const html = '<h1>Hello</h1><strong>bold</strong>';
const markdown = turndown.turndown(html);
When to Use Each Format
Use Markdown For:
- README files
- Documentation
- Blog posts
- Quick notes
Use HTML For:
- Web pages
- Email templates
- Complex layouts
- Precise styling
Try Our Conversion Tools
Conclusion
Understanding HTML and Markdown conversion enables efficient content workflows.