How to use
- Choose a PDF file.
- Enter top/bottom/left/right margins (pt).
- Click crop and download.
FAQ
Does cropping delete content?
No, cropping sets the visible area. Original content remains and can be restored.
What unit are margins?
Points (pt), 1pt≈0.35mm. A4 is 595×842pt.
About this Crop PDF Pages
This tool uses pdf-lib setCropBox to set the crop region for PDF pages. Margins are in points (pt), 1pt≈0.35mm. Cropping only changes the display area, not the actual content (reversible).