Markdown Previewer & HTML Exporter

Live GitHub-flavored markdown editor with sanitized HTML preview and export.

About this tool

Format and preview README documentation and blog posts with real-time sanitized HTML rendering.

How to use this tool

  1. Type or paste markdown
  2. Click Run
  3. Inspect formatted live preview

How it works

Converts markdown tokens into sanitized HTML markup with script execution blocked.

When to use this tool

  • Drafting GitHub README files
  • Formatting documentation

Frequently asked questions

Is raw HTML sanitized?

Yes, all dangerous script tags and event handlers are neutralized to prevent XSS.

Limitations

Complex interactive markdown extensions like custom Mermaid diagrams render as code blocks.

Privacy

Local rendering.