Paste messy Markdown, get clean and consistent output. Normalizes whitespace, list markers, emphasis, and headings. Works entirely in your browser.
Yes, completely free with no limits on usage. No account required, no watermarks, no hidden fees.
Your Markdown never leaves your browser. All formatting happens locally on your device using remark.js. Nothing is uploaded to any server.
It normalizes inconsistent list markers (mixing -, *, +), fixes extra blank lines, standardizes emphasis style (*italic* vs _italic_), ensures consistent heading format, and cleans up trailing whitespace.
Yes. Tables, task lists, strikethrough, and autolinks are fully supported and preserved during formatting.
This tool uses the same remark engine that powers Prettier's Markdown formatter. You get the same quality output directly in your browser without installing anything. For local formatting on Mac, try MacMD Viewer.