PDF.notes

Open PDFs directly in Obsidian and annotate them – drawings are saved directly into the PDF file.

Features

• Ink Drawing: Draw directly on PDF pages with a pen or touch input.
• Customizable Tools:
  • Pen with adjustable size, color, and opacity.
  • Shapes (Rectangle, Ellipse, Line, Arrow).
  • Eraser (Stroke or Pixel mode).
• Page Management:
  • Insert new blank, lined, grid, dotted, or Cornell style pages.
  • Delete existing pages.
• Auto-Save: Everything you draw is automatically written into the PDF.
• Flattening: Permanently bake your drawings into the PDF so they can be viewed in ANY PDF viewer without the plugin.
• Backups: Optional automatic backups before any structural change (insert/delete).

How to use

1. Open a PDF file in Obsidian.
2. Click the Brush icon in the ribbon or right-click the file and select Open with PDF.notes.
3. Use the toolbar at the top to select your tool and start drawing.

Credits

This plugin is built using:

• pdf-lib for PDF manipulation.
• PDF.js for rendering.

License

MIT License. See LICENSE for details.

Connect with the author

• Twitter / X: @DerMittlereWeg
• Instagram: @anton0win
• Email: [email protected]