Crop PDF
Visually trim page margins and bounding boxes across single or all pages.
Drop your PDF here to crop
Visually crop page margins and bounds directly in your browser
How to Use Crop PDF
Upload PDF
Select the file to crop.
Adjust Bounds
Drag the visual crop rectangle to frame desired content.
Apply & Save
Export your cropped document.
Key Capabilities
Local Execution
Calculates viewport-to-point transformations in browser memory and modifies the `/CropBox` entry of the PDF page dictionary locally using pdf-lib.
- •Great for removing printer registration marks and scanning borders.
- •Cropping changes the visible window of the page; underlying vector objects outside the crop box remain in the file structure.
Coordinate Box Manipulation & Bounding Box Adjustment
PDF Coordinate Box Hierarchy
PDFs define boundaries via MediaBox (physical paper), CropBox (viewable area), and TrimBox. Our cropping tool updates the CropBox coordinates to trim unwanted margins without altering core page data.
Proportional Margin Trimming
Trim headers, footers, printer crop marks, or excessive scanning margins uniformly across selected pages or custom document subsets.
Non-Destructive Viewport Adjustments
Because cropping adjusts viewable boundaries, visual elements outside the CropBox are hidden from view in compliant readers while original vector objects remain intact.
- •To permanently remove sensitive text outside the crop area, use metadata removal or redaction.
- •Standard PDF viewers and printing dialogs default to displaying the cropped boundaries.
- •All boundary recalculations happen locally in memory.
Frequently Asked Questions
Can I crop all pages at once?↓
Yes. Select the "All Pages" option to apply the crop boundaries uniformly across the entire document.
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