Markdown Heading Auto-Numberer
Automatically number your Markdown headings hierarchically (1., 1.1, 1.1.1) or strip existing numbers cleanly. Includes 1-click heading level shifting.
Auto Number Markdown Headings Hierarchically Online
Automatically number headings in Markdown documents according to academic and legal outline formats (1., 1.1, 1.1.1). Re-sequences headings after edits and removes existing numbers with zero manual retyping.
How to Use the Markdown Heading Numberer
Paste Your Markdown Draft
Input your technical specification, academic paper, or book draft into the editor.
Select Operation
Choose 'Auto-Number' to sequence your document or 'Strip Numbers' to remove existing prefixes.
Copy or Download
Click 'Copy Output' to use in your IDE or download the updated .md document.
Key Features & Capabilities
Pro Tips & Best Practices
- •Use hierarchical heading numbers on long documentation pages to make referencing specific sections in team meetings effortless.
Frequently Asked Questions
How does hierarchical heading numbering work?
When an H2 heading appears, it increments the primary counter (e.g. 1.). When an H3 appears below it, it appends a sub-counter (e.g. 1.1). When another H2 is encountered, the sub-counters reset.
What happens if I already have manual numbers like '## 1. Introduction'?
The auto-numberer automatically strips any existing numeric prefixes before applying fresh, accurate numbering so numbers never become duplicated (e.g. '1. 1. Introduction').
Can I shift all headings if I want to nest my document under another section?
Yes! Use the '+1 Level' button to demote all headings (H1 becomes H2, H2 becomes H3) or the '-1 Level' button to promote them.
Related Markdown Tools
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Promote or demote heading levels (+1 / -1) across entire documents without touching code blocks.
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