Start typing in the input pane to see a live preview...
A Markdown and HTML converter that runs entirely in the browser — write in Markdown and get HTML, or paste HTML and get clean Markdown back, both directions genuinely supported with nothing uploaded to a server.
A README file, a blog draft, documentation written in Markdown — ClearMark converts it to HTML instantly as it's typed, with a live preview showing exactly how the rendered result will look before it's exported or pasted anywhere else.
Content copied from a webpage or exported from another tool often arrives as HTML full of formatting that's hard to edit directly — converting it to Markdown strips that down to plain, readable syntax that's easier to revise, version-control, or paste into a Markdown-based platform like GitHub or a static site generator.
The Code and Preview tabs switch between viewing the raw converted output and seeing it rendered, useful for confirming formatting survived the conversion correctly before exporting. The finished result downloads as a .md or .html file, or copies directly to the clipboard, and the direction can be swapped in one click to convert back the other way without retyping anything.
No. Both Markdown-to-HTML and HTML-to-Markdown conversion run entirely in the browser — nothing is sent to a server.
Yes. Markdown-to-HTML and HTML-to-Markdown are both fully supported, not just one direction with a partial fallback for the other.
Yes, the Preview tab renders the output live, showing the formatted result rather than just the raw code.
Either the input or the output can be downloaded as a .md or .html file, matching whichever format is currently needed.