Markdown ↔ HTML Converter
Bidirectional conversion between Markdown and HTML. Live preview, syntax highlighting, copy & download.
Direction:
139 words · 908 chars · 57 lines
Markdown Example
Headers
Level 3
Level 4
Bold text and italic text and strikethrough.
Lists:
- Unordered list item 1
- Unordered list item 2
- Nested item
- Another nested item
- Ordered list item 1
- Ordered list item 2
- Nested ordered
Code:
Inline code example.
function hello(name) {
return `Hello, ${name}!`;
}
console.log(hello('World'));
Links & Images:
Blockquote:
This is a blockquote. It can span multiple lines.
Table:
| Feature | Status | Notes |
|---|---|---|
| Markdown to HTML | ✅ | Using marked.js |
| HTML to Markdown | ✅ | Using Turndown |
| Live Preview | ✅ | Real-time |
Horizontal Rule:
Task List:
- Completed task
- Pending task
- Another task
Supported Syntax
Markdown → HTML
- Headers (
#through######) - Bold (
**text**), Italic (*text*), Strikethrough (~~text~~) - Ordered and unordered lists with nesting
- Code blocks with language tags (syntax highlighting ready)
- Inline code with backticks
- Tables with alignment
- Blockquotes
- Links and images
- Horizontal rules (
---) - Task lists (
- [ ]/- [x])
HTML → Markdown
- All standard HTML tags converted to Markdown equivalents
- Headings, paragraphs, lists, tables, code blocks
- Nested structures preserved
- Attributes like
href,src,altconverted appropriately
Privacy & Performance
- 100% client-side: No data sent to any server
- Instant: Conversion happens in milliseconds
- No limits: Convert documents of any size
- Offline-ready: Works without internet after first load
Libraries Used
- marked.js — Markdown parser (CommonMark compliant)
- Turndown.js — HTML to Markdown converter
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