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How to Crop and Flatten a PDF for Privacy

Written and fact-checked by The EditPDF AI Team

If you are cropping a PDF specifically to keep a recipient from seeing content outside the crop area, flattening the result afterward is the step that actually removes that content rather than just hiding it from view.

Step-by-step: crop and flatten for privacy

  1. 1Open editpdfai.com/pdf-cropper and upload the PDF.
  2. 2Set the crop boundary to exclude everything you do not want visible.
  3. 3Enable the flatten option so the crop is burned permanently into the page rather than stored as an adjustable boundary.
  4. 4Download the result and confirm — by trying to adjust the crop box in a PDF editor — that the excluded content is genuinely gone, not just hidden.

When to use redaction instead

Cropping removes content outside a rectangular page boundary — useful when the sensitive material is at the edge of the page, like a margin note or a header. If the sensitive content is inside the main body of the page, PDF Redactor, which covers specific areas anywhere on the page, is the more precise tool.

Learn more about flatteningUnderstand what flattening does beyond cropping.Redact content anywhere on the pageCover sensitive material that is not confined to the page margin.Is cropping permanent?Why cropping alone may not be enough for sensitive content.
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