Remove scanner borders
Scanned documents often have large black or white borders. Crop the margins to show only the document content.
Crop PDF Pages Online for Free
Trim the visible area of PDF pages with ToolMint. Remove unwanted margins, scanner borders, or excess whitespace by defining a crop area and applying it to any or all pages. No account required.
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When to Crop a PDF
Trim presentation headers
Remove slide headers, footers, or page numbers from converted PDF presentations before redistribution.
Focus on specific content
Crop a PDF page to show only the relevant portion — a chart, a section of a drawing, or a specific table area.
How to Crop PDF Pages Online
1
Upload a PDF
Select the PDF you want to crop from your device.
2
Set crop area
Drag the crop handles to define the area you want to keep.
3
Apply
Apply the crop to all pages or selected pages.
4
Download
Save the cropped PDF to your device.
What Does Cropping a PDF Page Actually Do?
Cropping a PDF page changes the crop box — a rectangle that defines which portion of the page content is visible to viewers. Content outside the crop box is not deleted from the file structure; it is hidden from display. This is different from cropping an image, where pixels outside the selection are permanently removed. In practical terms, most use cases treat cropped PDFs as having smaller pages because all standard viewers, printers, and apps respect the crop box and show only the cropped area. The original content can be recovered by expanding the crop box back to the full page dimensions in a PDF editor.
How to Remove White Borders from a Scanned PDF
Scanners capture an area slightly larger than the document, which creates white or dark borders around the scanned content. To remove these, upload the PDF and drag the four crop edges inward until they align with the actual document content. The preview shows where the borders end and the content begins. Apply to all pages to clean up a multi-page scanned document consistently. For documents with slightly inconsistent scan alignment, applying the crop to all pages may still leave small borders on some pages — these can be adjusted per page for precise trimming.
Frequently Asked Questions
- Does cropping a PDF delete the hidden content?
- In most PDF cropping implementations, the content outside the crop area is hidden but not permanently deleted from the file. The crop box tells viewers what to display. ToolMint applies the crop as a display boundary.
- Can I crop all pages at once?
- Yes. You can apply the same crop dimensions to all pages simultaneously, which is useful for removing consistent borders from all pages in a scanned document.
- How do I remove the white margins from a scanned PDF?
- Upload the scanned PDF, drag the crop handles inward to trim the white borders from all four sides, and apply the crop to all pages. The content area remains intact while the outer margins are hidden.
- Can I crop a PDF to a specific size like A4?
- You can set the crop dimensions manually to match standard page sizes. This is useful for standardizing mixed-size pages in a document.
- Will cropping increase or decrease file size?
- Cropping typically does not change file size significantly because it changes the visible area without deleting the underlying content. Compression applied after cropping can reduce file size further.
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