Markdown Lint Auditor
Paste Markdown to audit headings, trailing spaces, and blank-line conventions.
A QUICK WALKTHROUGH
How to use this tool
- Paste up to 100,000 characters of Markdown.
- Run the limited audit.
- Review line and column diagnostics; this is not a complete Markdown linter.
Limited rules
Checks ATX heading spacing, trailing spaces, duplicate blank lines, and fenced-code marker balance. It does not claim full Markdown or style-guide coverage.
Local review
The audit runs in your browser and does not upload the Markdown. Treat diagnostics as a focused checklist and review the document in context.
GOOD TO KNOW
Common questions
Is my Markdown uploaded?
No. Auditing runs locally in your browser.
Does this check every Markdown rule?
No. It checks only ATX heading spacing, trailing spaces, duplicate blank lines, and fenced-code marker balance.
Does a clean result guarantee my document follows a style guide?
No. The limited audit does not cover all Markdown syntax or style-guide requirements.