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Markdown · Quality

Lint & Format your Markdown

Catch heading hierarchy violations, trailing whitespace, broken anchors, and more. Auto-format with Prettier. Everything runs in your browser.

Runs locallyNo telemetry
Markdown Input
1 line

Rules checked: heading hierarchy, trailing whitespace, blank lines around headings, consistent list markers, duplicate headings, and internal anchor validation with closest-match suggestions. Auto-format powered by Prettier's Markdown parser.