Free · Find empty and unsafe links

Markdown Link Syntax Checker

Check Markdown links for blank addresses, unsafe schemes, spaces, and missing labels without visiting them.

  • markdown-it 14 parser
  • Private in your browser
  • Raw HTML stays off

Check link syntax

Paste Markdown or open a local .md file. Raw HTML stays off in every preview.

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Add Markdown164 / 120,000 characters
Safe local parsermarkdown-it 14.1.0 · raw HTML disabled
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See the resultReady when you are
Your result will appear here

Nothing is uploaded, and links are never opened by the checker.

Three simple steps

How to use it

  1. Paste the Markdown source.
  2. Review local syntax warnings.
  3. Open important links yourself to confirm them.

Your Markdown stays on this device

markdown-it reads the document inside this browser tab. Bookify does not upload or save it. Raw HTML is shown as text, unsafe link types stay unclickable, and the checker never visits a link.