Crop PDF
Add your PDF file, choose any options you need, and DOC321 prepares the PDF result for you.
Crop PDF pages
Set top, right, bottom, and left crop margins for all or selected PDF pages.
Crop all or selected PDF pages by setting top, right, bottom, and left margins directly in your browser.
Free Online Crop PDF: Crop PDF pages
Crop all or selected PDF pages by setting top, right, bottom, and left margins directly in your browser.
Crop selected PDF pages
Apply top, right, bottom, and left margins to every page or only the page numbers you choose.
Millimetre controls
Enter crop margins in millimetres while the processor converts them to PDF points accurately.
Original stays unchanged
The tool creates a new PDF with updated crop boxes and never overwrites the selected source file.
How to Use Crop PDF
- 1Add PDF
Choose the file or content you want to work with in the hero workspace, or drag it into the upload area.
- 2Choose your options
Set only what is necessary for the result you want.
- 3Run Crop PDF
Crop PDF pages
- 4Use PDF
Review the result, download it, or continue into a closely related workflow.
Crop PDF for Everyday Workflows
Purpose-built action
Crop PDF is designed around the specific task people come to the page to finish.
Focused workflow
Everything on the page is organized around one job: crop PDF pages.
Clear source and result
Know what goes in as PDF and what you should expect back as PDF.
Built for everyday files
Use the tool for school, office, personal, client, publishing, and administrative document tasks.
Easy to review
Check the result before you download, share, submit, print, publish, or continue into another tool.
Easy next step
Related DOC321 tools stay close by when the finished file needs another conversion, edit, or document action.
FAQs About Crop PDF
Does cropping permanently delete hidden PDF content?
No. This tool changes the PDF crop box that controls the visible page area. Content outside that box may still exist in the file.
Can I crop only some pages?
Yes. Use all, individual page numbers such as 1,3,5, or a range such as 2-6.
What units are crop margins?
The interface accepts millimetres and converts them to PDF points for processing.
What does Crop PDF do?
Crop PDF is designed to crop PDF pages. The page keeps that task, the supported PDF input, and the PDF result together in one browser workflow.
Can I use Crop PDF online for free?
Yes. DOC321 provides Crop PDF as a free online browser tool so you can start the supported workflow from the page without installing a separate desktop application.
Document Work Made Easier
Finished with Crop PDF? DOC321 keeps related PDF, Word, image, spreadsheet, presentation, text, and document tools close so you can continue the workflow without starting over.
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