Documentation
Guides and reference for all mdtool.site features.
Quick Start
Get started with mdtool.site in three simple steps.
Paste or upload your document
Open the Workspace and paste Markdown from your clipboard, upload a .md file, or start with the built-in template. You can also drag and drop files directly into the editor.
Clean and repair
Click Quick Fix to automatically clean text, fix headings and format tables. Check the Issues panel for remaining warnings. Use individual tools for targeted fixes.
Export the result
Export your clean document as Markdown, HTML, PDF or DOCX. Choose a theme and download — ready for publishing.
Workspace Features
The Workspace is your all-in-one Markdown editing environment.
Editor with syntax awareness and real-time character/word count.
Live Markdown preview that updates as you type.
Side-by-side diff view showing exactly what changed after cleanup.
Issues panel listing all detected problems with line numbers.
File manager with IndexedDB storage — your documents stay in the browser.
One-click export to MD, HTML, PDF or DOCX with theme selection.
Tools Reference
Click any tool below to see detailed documentation, demo and FAQ.
Text Cleaner
Remove , inline styles, junk HTML tags and copy-paste artifacts from Markdown.
Paste Cleaner
Convert HTML clipboard content to clean Markdown automatically.
Markdown Repair
Fix broken headings, close unclosed code fences, add required blank lines.
Table Cleaner
Format and align GFM table columns, fix broken pipes and separators.
Quality Checker
Markdown linter: find structure errors, broken links and formatting issues.
Compatibility Checker
Check Markdown compatibility with CommonMark, GFM and YFM parsers.
TOC Generator
Generate a table of contents from headings and insert it into the document.
Export
Export Markdown to HTML, PDF or DOCX with customizable styles and themes.
Markdown Guides
Structured articles from the content pipeline.