Convert OneNote to Markdown Online
Upload or paste your OneNote export and instantly receive clean Markdown with headings, tables, tasks, and links preserved. Everything runs in your browser for total privacy, lightning-fast speed, and polished results you can download, copy, or share.
OneNote source
Works best with OneNote pages exported as HTML or MHTML. If you upload a .one package, we will guide you to the right export option.
Drop a file or paste content to get started.
Markdown output
Page outline
- No headings detected yet.
Instant preview
About this OneNote to Markdown converter
Convert OneNote to Markdown Online is a lightweight, privacy-first tool engineered after reviewing top-ranked OneNote converters across Google, Reddit, and productivity forums. Competitors often ship server-dependent workflows or cluttered interfaces, so we built a faster alternative that runs entirely in your browser, keeps your notes private, and produces clean Markdown that looks brilliant inside Notion, Obsidian, Logseq, or Git repositories. The smart parser recognizes headings, tables, lists, checkboxes, callouts, and image links to preserve your note structure with minimal cleanup.
Because everything happens client-side, large pages process instantly with no uploads and no API limits. We added a permalink sharer, live preview, and heading outline so collaborators can drop into the same context without juggling exports. Rounded corners, soft gradients, and carefully tuned typography echo premium WordPress design patterns, giving you an intuitive experience that feels native on desktop or mobile.
How to use the converter
Export your OneNote page as HTML or MHTML for best fidelity, then drag the file onto the drop zone or paste the raw markup into the input area. Click Convert to Markdown and the tool instantly parses the content, generating Markdown in the right-hand panel. Use the copy button to send the result to your clipboard, or download a neatly named .md file for version control. The outline module surfaces headings in order, while the live preview shows how the Markdown will render in popular editors.
Need to share progress? Tap Copy permalink to bundle your conversion into a secure, URL-encoded link that teammates can load offline. Everything is optimized for tap targets and keyboard shortcuts, so the workflow stays accessible whether you convert on a desktop workstation or a phone.
Pro tips for spotless exports
- Use OneNote’s File > Export > Page > HTML option for the cleanest source markup.
- Embedded files stay referenced as links; store assets alongside your Markdown repository for seamless previews.
- Run the outline refresher after edits to keep table-of-contents widgets accurate.
- Take advantage of the live preview to catch spacing quirks before committing to Git or publishing.
FAQs
Does this tool convert binary .one files?
Microsoft’s binary .one format is proprietary. We detect it automatically and guide you to export as HTML or MHTML, which preserves layout while remaining fully private in this browser-based workflow.
Will my notes leave my device?
No. Every conversion step runs in your browser with JavaScript only. Nothing uploads to a server, so sensitive research, classroom notes, or meeting minutes stay on your machine.
How accurate is the Markdown output?
The parser keeps heading hierarchy, bullet and numbered lists, checkboxes, tables, and hyperlinks intact. Inline formatting such as bold, italics, code, and block quotes also carry over. If OneNote uses custom styling that Markdown does not support, we insert clean HTML fallbacks to maintain readability.
Can I sync the results with my knowledge base?
Yes. Download the Markdown file and drop it into Git, Obsidian vaults, Notion databases, or Docusaurus projects. The permalink feature lets teammates open the same output in one click, making QA and documentation reviews faster than traditional exporters.
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