Text & Writing

Markdown Heading Extractor

Build an outline from # headings in a Markdown document.

Text & Writing

Local only

Text

Indented outline

Everything stays in your browser

Your text is processed on your device — nothing is uploaded to a server.

How it works

Reads ATX headings (# to ######) and ignores lines inside ``` code fences. Underlined (Setext) headings are not detected.

Good to know

How do I use it?

Enter your text, adjust the options and press “Extract headings”. Check the result, then copy or download it.

How does it work?

Reads ATX headings (# to ######) and ignores lines inside ``` code fences. Underlined (Setext) headings are not detected.

Is my data uploaded?

No. Everything is processed in your browser and nothing is sent to a server. No account is needed.