Developer tools
Markdown formatter
Trim trailing spaces, collapse extra blank lines, keep your headings intact.
Processed in your browser — nothing is uploaded
Does not rewrite syntax — it tidies line endings so diffs stay readable.
Last reviewed 2026-09-10.
FAQ
Questions, answered
Will it wrap lines?
No. It only trims and collapses blank lines.
GFM tables?
Left as-is. Generate tables with the table tool.
Does my text leave the browser?
No. The Markdown formatter runs in JavaScript on this page. Your paste is not uploaded.
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