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Crop PDF Margins

Trim white margins from every page or apply a custom crop box — visual preview and precise numeric control.

How this works— tap to see the steps

1
Load a PDF
The first page renders live so you can see exactly what you're trimming.
2
Set the crop
Slide the top / bottom / left / right values (measured in points, 1 pt = 1/72 inch) until the crop box hugs the content.
3
Save the trimmed PDF
Every page's CropBox and MediaBox is updated with pdf-lib and downloaded — nothing is uploaded.

Watch: crop box tightens around the page

Drop a PDF to crop

PDF — up to 100 MB

Tip: you can also paste an image with ⌘V / Ctrl V

Top (24 pt)Bottom (24 pt)Left (24 pt)Right (24 pt)

Drop a PDF and drag the sliders to trim its margins. The result appears here.

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