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  3. Crop PDF

Crop PDF

Set page crop boxes with precise top, right, bottom, and left margins.

Use this tool
Browser-local processingNo input upload to TOOLGRIDReview before copy
Formats and processing
Input
PDF document
Output
PDF with adjusted crop boxes
Runtime
pdf-lib
Browser-local workspaceStart below with browser-local processing.

Tool code processes selected files and entered content in your browser and does not submit them to a TOOLGRID processing endpoint. TOOLGRID measures tool usage, not the content you enter.

Loading tool…

Browser-basedWhat this tool does

Crop all pages or a selected page range by adjusting PDF crop boxes locally. The operation is reversible in some PDF editors because it hides content outside the crop box rather than erasing drawing commands.

Margins are entered in PDF points, where 72 points equals one inch.

Representative tasks

What you can do with this tool

Remove a 24-point border

Apply 24 points to all four sides of every page.

Boundaries

What to check before relying on the result

  • Cropping hides out-of-box content and is not a secure redaction method.
  • One margin set is applied to all selected pages, including mixed-size pages.
pdf-lib documentationPDF.js documentation

How to use

  1. 1

    Choose a PDF and enter all or a page range.

  2. 2

    Set the crop amount for each side in points.

  3. 3

    Confirm that every target page will keep a positive width and height.

  4. 4

    Download and inspect pages with different dimensions before publishing.

Use Cases
Trim scanner borders

Hide dark or uneven borders around a scanned packet.

Focus a slide export

Crop excess whitespace from PDF slides before placing them in another document.

FAQ

Does cropping permanently delete hidden content?

Not necessarily. This tool changes each target page's crop box; content outside it can remain in the PDF data.

What unit is used?

PDF points. 72 points equals one inch, or about 28.35 points per centimeter.

Can pages have different sizes?

Yes, but the same margins are applied to every selected page. Review mixed-size documents closely.

Continue this workflow

Useful next steps

Open a nearby browser tool when you need to validate, convert, or reuse the result.

PDF to ImagesPDF Tools · Local→Rotate PDFPDF Tools · Local→Reorder PDF PagesPDF Tools · Local→