Utility Coder
← Back to Blog
Content8 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)
![Alt Text](image.jpg)
<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.

Share this article