Markdown to HTML
Render common Markdown syntax into sanitized HTML.
How to use Markdown to HTML
Render common Markdown syntax into sanitized HTML.
Supports common headings, lists, paragraphs and fenced code. The generated HTML escapes source content to reduce script injection.
- Open Markdown to HTML on Tools4U.
- Paste content, or import a supported text file.
- Select Convert and review the output.
- Copy the result or download the converted file.
Frequently asked questions
Is Markdown to HTML free?
Yes. Verified Tools4U accounts can use the converter for free. Premium members do not see advertisements.
Are my files stored?
The text is processed on a private worker and returned directly without saving generated files to disk. Do not upload sensitive information without permission.
What is the input limit?
600,000 characters, with a 1.8 MB output limit. Large spreadsheets and complex binary documents require dedicated Office/Image/PDF tools.