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Crop PDF guide

How to remove white margins and scanner borders from PDF

Adjust visible page boundaries to hide unnecessary outer whitespace, dark scanner edges, or capture borders.

Updated September 2026 · PDFKaka EditorialOpen Crop PDF
Capture the Crop PDF workspace at 1366×768 with synthetic sample content and the controls used by this workflow visible.

Crop the PDF pages

  1. Adjust the crop area for the page or pages covered by this task.
  2. Check page numbers, signatures, handwritten notes, and content close to every edge.
  3. Choose the PDF and inspect the page previews before setting crop edges.

Cropping changes the visible page area

Changes CropBox boundaries; hidden content remains in the PDF and cropping is not secure redaction.

FAQ

Is cropping a PDF the same as redacting hidden information?

No. Cropping changes the visible page area. Do not use cropping as a substitute for secure redaction of sensitive content.

What is the current input limit for Crop PDF?

PDF; One PDF ≤50 MiB, ≤500 pages.

What does Crop PDF create?

crop boxes change visible area, source content is not rasterized by default; One PDF ≤150 MiB.

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