PDF Crop
Crop margins and trim white space from PDF pages
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About PDF Crop
PDF Crop lets you remove or adjust the margins of PDF pages — cutting down the page boundaries to remove excess white space, scanner borders, or unwanted margins. This is particularly useful for scanned documents where the scanner has introduced large white margins around the content, for academic papers with oversized page borders, or for e-reader optimisation where you want to maximise the reading area by removing margins before loading to a Kindle or tablet. Cropping works by adjusting the PDF's media box or crop box — the rectangle that defines the visible area of each page. You specify how many points or pixels to remove from each edge: top, bottom, left, and right. The content of the page is not altered — only the visible area is reduced. This means cropping is fully reversible in PDF editors that support it, as the original content outside the crop box is still technically present in the file. Common uses include: preparing PDFs for e-readers by removing publisher margins, cleaning up scanned government documents with large border areas, standardising margin sizes across a multi-file PDF collection, and trimming presentation slides exported as PDF that have excessive white borders. After cropping, the resulting PDF has tighter page boundaries and appears more compact in PDF viewers.
How to use PDF Crop
Upload your PDF
Upload the PDF file whose margins you want to crop.
Enter crop margins
Enter the amount to crop from each edge in points (1 point = 1/72 inch). For example, enter 36 on all sides to remove half an inch of margin from each edge.
Download cropped PDF
Click 'Crop PDF' and download the result. Each page will have the specified amount removed from its borders.