Crop PDF
Remove margins from every PDF page by setting precise millimeter values for each edge.
Your files never leave your browser. No upload, no server, nothing stored.
How to crop a PDF
- Upload your PDF by clicking or dragging it into the upload area.
- Set the margin values in millimeters for each edge: top, right, bottom, and left.
- Click "Crop PDF" — the crop box is applied to every page in the document.
- Download the cropped PDF instantly.
Why use Formfy's PDF cropping tool?
Formfy's crop tool uses pdf-lib's native crop box feature, which adjusts the visible area of each page without permanently deleting content. This means the crop is non-destructive — the underlying content is retained in the file, only the visible area changes. The crop is processed entirely in your browser with no upload.
Millimeter-based cropping gives you precise control over how much margin to remove from each side — ideal for removing oversized white borders from scanned documents, trimming printer crop marks, or resizing documents to a specific print format.
Frequently Asked Questions
How do I crop a PDF?
Upload your PDF, set the margin values in millimeters for top, right, bottom, and left edges, and click Crop PDF.
Will cropping affect all pages?
Yes, the margins you set are applied uniformly to every page in the PDF.
Can I crop by different amounts on each side?
Yes. Each edge (top, right, bottom, left) has its own independent margin value.
Is my file uploaded to a server?
No. Cropping is done in your browser using pdf-lib's crop box feature.
Does cropping permanently remove content?
The content is hidden (via PDF crop box) but technically still in the file. For permanent removal, use the PDF Editor to cover unwanted content.