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Claude outputs markdown. OneNote doesn’t understand it. We bridge the gap instantly.

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MARKDOWN INPUT
Sound familiar?

OneNote turns your markdown into literal asterisks and hashes

You copy a Claude response, paste it into OneNote, and every formatting symbol shows up as literal text. Claude’s detailed structure with headings, lists, and code blocks becomes unreadable raw symbols.

Untitled Page
FileHomeInsertDrawView
# Project Update
Here's the **latest status** on Q4:
## Key Highlights

- Revenue grew by `42%`
- Satisfaction: **4.8/5**
| Metric | Value |
|--------|-------|
| Users  | 1,200 |
| Growth | 42%   |
```javascript const g = calcGrowth(q3, q4); ```
Project Update
FileHomeInsertDrawView
Project Update
Here's the latest status on Q4:

Key Highlights

  • Revenue grew by 42%
  • Satisfaction: 4.8/5
MetricValue
Users1,200
Growth42%
const g = calcGrowth(q3, q4);

What works in OneNote

Headings H1–H6

Full support

All six heading levels render with blue color and varying sizes. OneNote maps them to built-in heading styles natively, better than Google Docs.

Bold, italic & strikethrough

Full support

Bold, italic, bold+italic, and strikethrough all render correctly. Strikethrough works here unlike Google Docs.

Tables with formatting

Full support

Render with borders, blue header row with white text, and proper cell structure. Bold, italic, code, and links inside cells all preserved.

Lists & nesting

Full support

All 4 levels of nesting render correctly with indentation and different markers: bullet, circle, square, smaller square.

Code blocks

Full support

Render in monospace (Consolas) with correct indentation and light gray background. Each block is visually separate.

Links

Full support

All link types including email mailto render as blue underlined clickable text.

Blockquote indentation

Not supported

OneNote doesn’t support the blockquote element. Blockquotes render as italic gray text with no left border or indentation.

Syntax highlighting

Not supported

Code blocks render as monospace plain text only. No syntax highlighting or language labels.

Simple pricing

Free forever. Pro when you need it.

MonthlyAnnualSave 40%

Free

$0

No account required

  • Unlimited clipboard conversions
  • All 6 destination formats
  • Plain Text output
  • 100% private, runs in your browser
Most Popular

Pro

$3/mo

per month, billed annually

  • Everything in Free, plus:
  • All 62 templates (8 free)
  • Unlimited file downloads (DOCX, PDF, HTML)
  • AI-Powered Unicode Fix
  • Batch file conversion
  • Conversion history and re-copy
  • 5,000 API calls/month
  • Browser extension features

API

Usage-based

Pay only for what you use

  • 500 free calls/month
  • REST API access
  • OpenAPI spec + SDKs
  • ~$0.002 per call after free tier
  • 120 req/min rate limit

Questions?

Copy the Claude response, paste it into Unmarkdown™, click "OneNote", then paste into your notebook. All six heading levels, tables, code blocks, and formatting are preserved.

Claude outputs markdown syntax that OneNote doesn’t interpret. The raw symbols (#, **, `) appear as literal text. Unmarkdown™ converts Claude’s markdown to rich HTML that OneNote renders correctly.

Yes. OneNote supports all six heading levels (H1–H6) with distinct styling. Unmarkdown™ maps Claude’s markdown headings to OneNote’s built-in heading styles.

No. Unmarkdown™ runs 100% in your browser. Your Claude responses are converted locally and copied to your clipboard. Nothing is ever sent to any server.

Ready to fix your formatting?