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Convert Markdown text to HTML with syntax highlighting and preview. Supports GitHub Flavored Markdown.
This Markdown to HTML converter turns Markdown text into clean, sanitized HTML with a live preview. Type or paste Markdown on the left and watch the formatted result render on the right, then toggle to the source view to copy the raw HTML. It is useful for turning README files, notes, documentation, and comments into markup you can drop straight into a web page or CMS.
The conversion happens entirely in your browser. Markdown is parsed with the marked library, and the resulting HTML is sanitized with DOMPurify before it is displayed, so any scripts or unsafe markup are stripped out. Nothing you type is uploaded or stored — the text stays on your device from the moment you paste it.
It supports the common Markdown you would expect: headings, bold and italic text, ordered and unordered lists, GitHub-flavored tables, fenced code blocks, blockquotes, and links. The preview updates a fraction of a second after you stop typing, and a single click copies the sanitized HTML source to your clipboard.
No. Parsing and sanitizing both happen locally in your browser, so the text you enter never leaves your device.
It handles headings, bold and italic text, lists, GitHub-flavored tables, fenced code blocks, blockquotes, and links via the marked parser.
Yes. The output is sanitized with DOMPurify, which removes scripts, event handlers, and other unsafe markup before the HTML is shown or copied.
Yes. Switch the output to the HTML view and click Copy to place the sanitized source on your clipboard.
Conversion is briefly debounced so it runs after you pause typing rather than on every keystroke, which keeps the tool responsive on large documents.