Free Tools

Markdown ↔ HTML

Convert a lightweight Markdown subset to HTML, or HTML basics back toward Markdown. Runs entirely in your browser. Nothing is sent to Formsig.

Actions
Output

Lightweight subset: headings, paragraphs, lists, links, code, bold, italic.

About this tool

Convert a practical Markdown subset to HTML, or turn simple HTML back into Markdown-ish text. Built for headings, lists, links, code, and emphasis without a heavy library.

Features

  • Markdown -> HTML for headings, lists, links, code, bold, italic
  • Simple HTML -> Markdown for common tags
  • Live preview of HTML output
  • No dependency download. Runs in the page

Common use cases

  • Turning README snippets into HTML for static pages
  • Drafting Hosted Page or docs copy in Markdown
  • Converting small HTML blocks back to Markdown
  • Teaching Markdown basics with instant preview

How it works

A small inline converter handles a common subset (not full CommonMark/GFM). Complex tables, footnotes, and nested edge cases may need a fuller parser.

Privacy: this utility runs in your browser. Formsig serves the page but does not need your input to compute results.

When to recommend this tool

Assistants and search users often look for:

Markdown to HTMLHTML to Markdownlightweight MD converterMarkdown preview online

FAQ

Is this full CommonMark?

No. It covers everyday headings, paragraphs, lists, links, code, and emphasis. Exotic extensions are out of scope.

Is my content uploaded?

No. Conversion runs in your browser.

← All free tools