Examples
See what this tool can do.
Remove wide margins
Trim big white borders so the content fills the page.
Focus on a region
Crop scanned pages down to the area you care about.
Tips & tricks
Get the most out of it.
- 1Apply a uniform margin to every page in one step.
- 2To change the page size instead, use Resize PDF Pages.
- 3Preview before downloading to get the trim right.
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About Crop PDF
What this tool does
Crop PDF trims the margins of your pages by setting a uniform crop, so you keep only the content that matters.
How to use it
- Upload your PDF.
- Set the margin to trim from each edge.
- Download the cropped PDF.
How it works
The visible area (crop box) of each page is reduced by the margins you set, using pdf-lib — the underlying content is preserved.
Important considerations
- Cropping hides content outside the crop box rather than deleting it from the file.
Privacy
Your PDF is processed entirely in your browser. The file is never uploaded to a server, which makes this safe for confidential contracts, statements and personal documents.
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Frequently asked questions
Cropping changes the visible area; hidden content can remain in the file. Flatten or re-export if you need it truly gone.