Crop PDF
Trim margins from every page by a fixed amount, in points.
Trim the top, bottom, left, and right margins from every page by a precise amount, in points — processed locally in your browser.
Trim margins from every page by a fixed amount, in points.
Whether you're removing excess white space from a scanned document, cutting off a printer's crop marks, or tightening up margins before printing, this tool trims a fixed amount from each edge of every page using the pdf-lib library, adjusting each page's crop box and media box directly in your browser.
You set the amount to trim from the top, bottom, left, and right independently, measured in points (72 points to an inch), so you have precise control if your document needs asymmetric trimming — for example, more off the top than the sides. The same trim amounts apply uniformly to every page, which keeps the whole document consistent.
Select your PDF, adjust the top/bottom/left/right values (20 points is a reasonable default trim), and click Crop & Download. The cropped file downloads immediately with the new, smaller page dimensions.
No installs, no accounts, and no waiting on server queues. Everything happens locally on your device.
Choose the document whose margins you want to trim.
Enter how many points to trim from the top, bottom, left, and right.
Every page is trimmed by the same amount and the file downloads instantly.
Points, the standard unit used in PDF page geometry — there are 72 points to an inch. A trim of 20 points removes just under a third of an inch from that edge.
It can, if you set the trim values too high for your document's margins. Start with a modest amount (like 20 points) and check the result; if content is cut off, re-crop the original file with smaller values, since crops aren't cumulative on an already-cropped file unless you start from the source again.
Cropping adjusts the page's crop box and media box, which changes what's visible when the PDF is viewed or printed, without scaling or resizing the content itself — the content stays the same size, just with less margin visible around it.
The current tool applies the same top/bottom/left/right trim to every page uniformly, which suits documents with consistent margins throughout, like a scanned book or report.
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