Markdown Preview
Type Markdown on the left and see the rendered HTML on the right in real time. Copy the HTML or download the source with one click.
Markdown Preview online
Markdown is a plain-text format that turns into clean HTML, and a live preview makes it easy to check your formatting as you write. This tool pairs a Markdown editor on the left with a rendered preview on the right that updates as you type. It supports GitHub Flavored Markdown, including headings, lists, task lists, fenced code blocks, tables, blockquotes, links, images and horizontal rules. The rendered HTML is sanitized before it reaches the page, so you can paste content from anywhere without worrying about scripts running.
How to use this tool
- Open Markdown Preview in a modern browser.
- Type or paste Markdown into the editor on the left.
- Watch the preview update on the right and adjust the formatting.
- Copy the rendered HTML or download the .md or .html file.
Common syntax quick reference
| Element | Syntax |
|---|---|
| Heading | # H1 … ###### H6 |
| Bold / italic | **bold** / *italic* |
| Strikethrough | ~~text~~ |
| Link | [text](https://example.com) |
| Image |  |
| Code block | ```js … ``` |
| Table | | a | b | with a divider row |
| Task list | - [x] done |
Why sanitize the output?
Markdown allows raw HTML, which means a careless paste could introduce a script that runs in your browser. This tool routes every rendered result through DOMPurify, which strips dangerous tags and attributes while keeping normal formatting. The result is safe to preview, copy and reuse.
Privacy and browser processing
Your Markdown is parsed and rendered locally in the browser. Nothing is uploaded, and the downloaded files are generated on your own device.
Frequently asked questions
Which Markdown features are supported?
Headings, lists, task lists, fenced code blocks, inline code, tables, blockquotes, bold, italic, strikethrough, links, images and horizontal rules are all supported through GitHub Flavored Markdown.
Is the rendered HTML safe?
Yes. The output is sanitized with DOMPurify before it is inserted into the page, so script tags and other dangerous markup are removed.
Can I download the result?
Yes. You can download the Markdown source as a .md file or the rendered result as a complete .html file.
Does this tool upload my text?
No. Parsing and rendering happen entirely in your browser.