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Comprehensive Guide & Mathematical Breakdown
The Crop PDF tool trims the margins or a specific area from every page of a PDF document, which is useful for removing scanner borders, unwanted whitespace, or preparing a document for printing at a specific size.
How PDF Cropping Works
The tool reads your PDF's page dimensions and applies a new, smaller visible page boundary (a "crop box") to every page, hiding the content outside that boundary without altering the underlying page content.
Step-by-Step Instructions
- Upload Your PDF: Select the PDF file you want to crop from your device.
- Set Crop Margins: Adjust the crop area to remove the unwanted margins or borders.
- Download the Cropped PDF: Save your new PDF with the updated page boundaries applied to every page.
Frequently Asked Questions (FAQs)
Q: Does cropping delete content permanently?
A: Cropping changes the visible page boundary; the underlying content is not permanently deleted, but anything outside the new boundary will not display or print.
Q: Can I crop every page at once?
A: Yes, the crop settings you choose are applied uniformly across all pages of the PDF.
Q: Is my PDF uploaded to a server?
A: No. Cropping is processed locally in your browser and your file never leaves your device.