Markdown Heading Case

Batch format heading case with optional numbering.

Markdown Heading Case

Batch format heading case and numbering.

Input
Output

Related tools

Markdown Editor

Open .md files in the browser. Side-by-side live preview with code highlight, image insert and dark mode. Drafts auto-save locally and never leave your device.

HTML to Markdown

Paste any HTML — web source, WeChat articles, rich text — and get clean GFM Markdown. Fully local, no uploads.

Markdown Heading Slugs

Generate heading slugs for TOC and anchors.

Markdown TOC Generator

Generate a clickable Markdown table of contents from headings.

Markdown Link Extractor

Extract links and image URLs from Markdown.

Markdown Table Generator

Convert CSV/TSV into Markdown tables quickly.

Mermaid Diagrams

Live Mermaid editor for flowcharts, sequence, class, ER, gantt and more. Export SVG/PNG fully in-browser.

Markdown Linter

Check empty/duplicate headings, level jumps and bare URLs.

FAQ

Chinese headings?
Case rules mainly affect Latin words; Chinese stays.
Existing numbers?
Renumbers by heading level.
Local?
Yes.