Free online Markdown preview with real-time rendering. See formatted output as you type with HTML export support.
How to use Markdown Preview?
Type Markdown in the left editor.
View real-time preview in the right panel.
Export as HTML if needed.
Frequently asked questions about Markdown Preview
Does it support GitHub Flavored Markdown?
Yes, fully supports GFM including tables, checklists, and code block highlighting.
Can I export as HTML?
Yes, copy the rendered result as HTML or export it as a file.
Why does my Markdown look different once it is on GitHub?
There is no single Markdown standard; every platform speaks a slightly different dialect. GitHub supports GFM extensions such as tables, task lists and strikethrough, but strips parts of raw HTML for security, while Notion and Slack follow yet other rules. For a document that will be posted in several places, stick to the basics that work everywhere — headings, lists, code blocks and links.
How do I get syntax highlighting inside a code block?
Write the language name immediately after the three opening backticks — js, python, sql, bash and so on, in lowercase. Leave it out and the block still renders, just in a monospace font with no colors. A misspelled language never raises an error, it simply loses the colors, so if highlighting fails, try the common short form (js rather than javascript) first.
How to get the most out of Markdown Preview?
A single newline is not a line break — end the line with two spaces or leave a blank line.
Tables use GitHub-flavoured syntax; the number of dashes in the separator row doesn't matter.
Tag fenced code with a language (```js) so the highlighter knows what to colour.