Normalize document headings
### Overview
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### Overview
Create a consistent heading hierarchy and spacing pattern throughout a Markdown file.
Free browser tool
Normalize Markdown headings, lists, emphasis, links, code blocks, and spacing for consistent documents. MarkdownCleanr makes pasted or generated Markdown easier to read, maintain, and publish.
Common uses
### Overview
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### Overview
Create a consistent heading hierarchy and spacing pattern throughout a Markdown file.
* one
* two
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- one
- two
Fix uneven lists, excessive blank lines, and inconsistent emphasis in generated content.
# Project
Install
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# Project
Install
Standardize Markdown before publishing documentation or committing it to a repository.
What it can do
Standardize headings, lists, emphasis, links, rules, code blocks, and spacing.
Compare words, characters, lines, and heading counts as you clean.
Apply only the Markdown rules your document needs while preserving its content.
Three simple steps
Add generated, copied, or hand-written Markdown to the Input field.
Choose which structural and spacing patterns to normalize.
Run MarkdownCleanr, review the output, then copy or download the file.
Helpful answers
It can clean headings, lists, emphasis, links, code blocks, horizontal rules, and document spacing.
Yes. MarkdownCleanr is designed to retain fenced code content while normalizing the surrounding document.
Yes. The cleaned Markdown can be copied or downloaded for use in your project.