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Crop PDF

Trim margins off every page of a PDF at once — remove scanner shadows and overscan. Clean a 50-page scan set for reading — local pdf-lib work, unlimited saves.

Runs on pdf-lib

100% Local Browser Native

How to Use the Crop PDF

1. Upload the PDF

Scanned sets with excess margins.

2. Set crop margins

Preview first and middle pages before batching.

3. Download cropped PDF

Save the file (downloads are unlimited).

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Frequently Asked Questions

How much margin should I crop?

Trim to 5–10 mm of content breathing room: scanner shadows and feeder marks vanish while text stays safe. Preview page 1 and a middle page before applying to all 50.

Does cropping delete content?

Crop boxes hide margins; content streams stay intact and most readers honor the box. For guaranteed removal (redaction-grade), use the redact tool instead.

Can different pages crop differently?

One crop applies uniformly — best for consistently scanned sets. Mixed-orientation files split by orientation first, then crop each group.

Do cropped files leave the browser?

No — cropping runs locally in your browser on pdf-lib. Only the final save touches the network — downloads are unlimited.

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Last updated October 2026