Markdown ↔ HTML Converter

Convert Markdown to HTML or HTML to Markdown — with live preview and one-click swap.

100% Browser-Based

Files Never Leave Your Device

No Server Uploads

Zero Data Collection

How It Works

Choose Direction

Select Markdown → HTML or HTML → Markdown conversion mode.

Paste or Type

Enter your Markdown or HTML source text.

View Output

See the converted result instantly with optional HTML preview.

Swap & Copy

Swap input/output with one click, or copy the result.

Features

Bidirectional

Convert Markdown → HTML or HTML → Markdown in the same tool.

Rich Syntax Support

Headings, bold, italic, strikethrough, code blocks, links, images, lists, blockquotes, and horizontal rules.

Live HTML Preview

Toggle between code view and rendered HTML preview.

One-Click Swap

Swap input and output to convert back in the other direction.

100% Private

All conversion happens in your browser.

Frequently Asked Questions

Does it support all Markdown features?

It supports the most common Markdown syntax: headings, emphasis, code blocks, links, images, lists, blockquotes, and horizontal rules. Some extended features (tables, footnotes) are not yet supported.

Can I use it for blog posts?

Yes, it is ideal for converting Markdown drafts to HTML for publishing, or converting HTML content to Markdown for documentation.

Does it preserve formatting?

The converter preserves semantic structure (headings, lists, links) during conversion. Some whitespace/formatting differences are expected.

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