What it does. Trims margins or unwanted edges from the pages of a PDF. Drag a crop box on the preview, type margins as percentages, or let the tool find the blank margins for you.
How to crop a PDF
- Drop your PDF onto the box.
- Drag the crop box on the preview, type the margins, or press Auto-trim white margins.
- Choose all pages or a page range.
- Press Crop PDF and download the new file.
Tips for better results
- Auto-trim works best on text pages with a plain white background.
- Crop with a page range first to check the result before you do the whole file.
- The same margins are used for every page you select, so scans of different sizes may need separate runs.
Limits to know about
- Cropping changes the visible page area only. The hidden content stays inside the file and some PDF editors can bring it back. To remove content for good, use Redact PDF.
- The file size usually stays about the same.
- Password protected PDFs must be unlocked before you crop them.
- Tested with generated sample PDFs. Check the result on your own file.
Privacy
Your file never leaves your device. It is processed inside your browser, and nothing is uploaded to our servers. The PDF libraries load from a public code network (cdnjs).
Frequently asked questions
Is Crop PDF free?
Yes. There is no sign-up, no watermark and no daily limit.
Does cropping make the file smaller?
Usually not. The pages keep their content, only the visible box changes.
Can I crop only some pages?
Yes. Enter a page range such as 1-3, 7 and only those pages are cropped.
Does it work on scanned PDFs?
Yes. A scan is a picture on a page, and the tool only changes the page box.
Is my PDF uploaded anywhere?
No. The work happens in your browser on your own device.
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About this tool: free, no sign-up, works on phone and desktop. Last reviewed: November 2026.