Skip to main content
FreeFormatHub
📝

Markdown ↔ HTML Converter

Convert Markdown to HTML or HTML to Markdown with support for tables, task lists, syntax highlighting, and custom formatting options. Generate table of contents and preserve document structure.

Markdown Input

Syntax: markdown
Current Settings:
Mode: Markdown → HTML
Output: HTML fragment
Features: Tables, Tasks, Strikethrough, Autolinks

HTML Fragment

Output will appear here

Format: html

How It Works

Privacy First

This markdown ↔ html converter processes your data entirely in your browser. No data is uploaded to any server, ensuring complete privacy and security.

Lightning Fast

Instant processing with real-time validation and error detection. No waiting, no delays - just immediate results.

Versatile Use Cases

  • Documentation generation and publishing
  • Blog post and article formatting
  • README file creation and editing

Mobile Friendly

Responsive design that works perfectly on all devices and screen sizes. Touch-friendly interface for mobile users.

Frequently Asked Questions

What Markdown features are supported?
The converter supports standard Markdown plus GitHub Flavored Markdown features including tables, task lists, strikethrough text, syntax highlighting, and autolinks.
Can I generate a table of contents?
Yes, enable the "Generate TOC" option to automatically create a table of contents from your headings with anchor links.
How does HTML sanitization work?
When enabled, HTML sanitization removes potentially harmful HTML tags and attributes while preserving safe formatting elements.
What about syntax highlighting?
The converter adds proper language classes to code blocks for syntax highlighting. You can use any highlighting library like Prism.js or highlight.js with the output.
Can I customize heading levels?
Yes, use the heading offset option to adjust all heading levels. For example, offset +1 converts H1 to H2, H2 to H3, etc.

Related Tools