Free · Find fenced and indented code

Markdown Code Block Extractor

List code blocks, language labels, line counts, and safe previews from Markdown.

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

Extract code blocks

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

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Add Markdown633 / 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 technical document.
  2. Review each code block and language.
  3. Download the structured list.

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.