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Rotate by Custom Degrees

docs/tools/rotate-custom.md

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Rotate by Custom Degrees

Rotate PDF pages by any arbitrary angle, not just 90-degree increments. Each page gets its own angle input, and you can apply a single angle to all pages at once using the batch control.

How It Works

  1. Upload a PDF file. Thumbnails render for every page.
  2. Each page has a numeric input field showing its current rotation angle.
  3. Type any degree value (positive or negative) to rotate a specific page, or use the per-page left/right buttons for quick 90-degree adjustments.
  4. Use the batch angle input at the top to set a uniform rotation for all pages.
  5. Click the process button to generate the rotated PDF.

Features

  • Free-form degree input per page (any integer value)
  • Batch angle control to set the same rotation on every page
  • Real-time preview of rotation in thumbnails
  • Per-page quick-rotate buttons for 90-degree increments
  • Lazy-loaded thumbnails for performance on large documents

Use Cases

  • Correcting slightly tilted scans by a few degrees
  • Rotating pages to match a non-standard orientation requirement
  • Applying precise rotations to individual pages in a mixed-content document
  • Fine-tuning page angles after an initial bulk rotation

Tips

  • Positive values rotate clockwise, negative values rotate counterclockwise.
  • The batch angle field overwrites all per-page angles when applied. Set individual adjustments after the batch operation if needed.
  • For standard 90/180/270-degree rotations with a simpler interface, use Rotate PDF.