How to Crop PDF Pages Online
Upload PDF File
Drop your PDF document into the Crop PDF tool.
Adjust Crop Boundary
Drag the interactive crop handles on the preview canvas to define your desired page area.
Apply and Download
Choose whether to crop the current page or all pages, then click Crop PDF to download.
How to Crop PDF Pages Online
Can I apply the same crop area to all pages at once?
Yes. You can choose to apply the crop boundary to just the active page, all pages, or only odd/even pages.
Does cropping reduce the overall PDF file size?
Cropping adjusts the visible page viewport (CropBox/MediaBox). To further compress images and remove hidden metadata, combine cropping with our Compress PDF tool.
Can I crop to standard document sizes like A4 or Letter?
Yes. You can adjust the crop box freely or use our dedicated A4 PDF and Scale PDF tools for fixed standard page dimensions.
Is the original document content preserved if I need to re-crop?
Yes. You can always re-upload your original file or adjust crop boxes before downloading.
Are my documents secure during cropping?
Yes. KissThePDF processes your files entirely inside your browser. No files are ever sent to any external server.