Markdown → HTML
Convert Markdown to HTML with live preview
Paste Markdown first to convert it into HTML and copy the result immediately; rendering differences and examples are available in Advanced mode.
The full guide also includes pitfalls, worked examples, snippets, FAQs, and related tools for checking results or troubleshooting.
About this tool
Convert a basic Markdown subset into HTML source and a live preview. Raw HTML is displayed literally, and generated link/image targets are restricted. The converter supports simple text formatting and blocks; it does not implement full GFM, heading anchors, or CMS-specific rendering.
Scenario Recipes
Compare basic Markdown with its HTML fragment
Goal: Check supported markup before embedding it.
- Enter a heading, a simple list, a link and a fenced code block.
- Compare HTML Source with Live Preview.
- Paste the fragment into the destination renderer and inspect its styles and links.
Result: Copied HTML contains no preview stylesheet, heading IDs or full document wrapper.
Failure Clinic (Common Pitfalls)
Raw HTML and GFM extensions are outside the supported subset
Cause: Raw HTML is escaped; tables, task lists and automatic heading anchors are not implemented.
Fix: Use the destination’s Markdown parser when those features are required. Remote images in the preview can contact their hosts.
Production Snippets
Example
text
# API notes
- Read [guide](https://example.com/guide)
- Use `application/json`Frequently Asked Questions
Does this implement full GitHub Flavored Markdown?
No. It supports a basic subset including headings, emphasis, strikethrough, code, blockquotes, simple lists, links and images. Tables, task lists, heading IDs, and full nested-list/CommonMark behavior are not implemented. Compare the result with your destination renderer.
What happens to raw HTML and unsafe links?
Raw HTML is escaped and displayed as text. Link targets allow HTTP, HTTPS, mailto and tel, while images allow HTTP and HTTPS; relative paths resolve in the page context. Unsupported targets remain literal Markdown. The converter is not a general HTML sanitizer for arbitrary content added later.
Does the live preview contact image hosts?
It can. Conversion runs locally, but displaying an HTTP or HTTPS image can request that image from its host. A link opens its destination when clicked. Code language labels add a class to the output but do not provide syntax highlighting.
Can I paste the output directly into a CMS?
Copy the HTML source, then check the CMS’s allowed tags, URL policy and styles. Headings and lists can look different because the preview’s styles are not included in the copied HTML. No heading anchor IDs or complete HTML document are generated.
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