Crop PDF Margins Online for Free
Trim excess white margins or isolate specific sections from your PDF documents. Useful for adjusting slides for print, framing lecture handouts, and removing scanner borders to optimize documents for e-readers, tablets, and mobile screens.
Upload your files or drag them here to start processing instantly in your browser.
How to Use Crop PDF
- Upload PDF Document: Select the PDF file you wish to crop.
- Specify Margin Trims: Enter the margin trim values in points or select standard crop presets.
- Crop Document: Click "Crop PDF" to adjust the document cropbox coordinates.
- Download Cropped File: Save the neatly cropped PDF directly to your device.
Key Features & Benefits
Removes Excess Margins
Eliminates wasted white space for comfortable reading on tablets and e-readers.
Non-Destructive Crop
Adjusts the PDF viewBox/CropBox coordinates cleanly without destroying text paths.
Runs Entirely in Browser
No document upload or cloud processing delays; executes in seconds locally.
100% Free with No Watermarks
Export clean cropped documents without logos, stamps, or fees.
Privacy & File Limits
Client-Side Privacy: Margin cropping runs locally in your web browser. Your document content remains strictly on your device and is never sent to our servers.
Usage Limits: Tested on desktop with documents up to 50 MB and 100 pages. Crop adjustments apply to the CropBox boundary of the PDF.
Frequently Asked Questions
How does PDF cropping work?
The tool modifies the document CropBox boundary, instructing PDF viewers to display only the selected printable area.
Does cropping reduce PDF file size?
Modifying the CropBox hides outer margins in viewers but does not strip out underlying data unless flattened.
Can I crop all pages equally?
Yes, you can apply uniform margin trims across all pages or target specific page dimensions.
Will cropped text become blurry?
No. Vector fonts and high-resolution diagrams retain their exact sharpness at any zoom level.
Is my document private?
Yes. All coordinate calculations and file exports occur within your local browser session.
Can I undo cropping?
Your original file on your computer is never overwritten. You can always crop again from the source document.