Crop PDF page margins locally. Free, private, runs in your browser.
100% private — your files and text never leave your browser. All processing happens locally on your device.
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Crop PDF adjusts each page's visible crop box using pdf-lib after rendering local previews with PDF.js. This is useful for trimming scanner borders, slide margins, or excess whitespace without uploading the file.
Cropping is visual trimming, not forensic redaction. Content outside the visible page box may still exist inside the PDF. For sensitive disclosure, use a dedicated redaction workflow and verify the final file.
Any PDF rewrite can affect signatures, forms, annotations, bookmarks, or advanced document structures. Keep the original and compare the cropped output before sending official documents.
No. Cropping changes the visible page box, but content outside that box may still remain inside the PDF file. Do not use crop as forensic redaction.
Yes. Any PDF rewrite can invalidate digital signatures and may affect interactive forms or annotations. Keep the original when signature validity matters.
No. Page previews, crop settings, and PDF writing all happen in your browser. Convertful does not receive your PDF.
This Phase 2 cropper applies the same top, right, bottom, and left percentages to every page so the output stays predictable.
Convertful prevents exports when the crop would leave an unusably small page area. Reduce the percentages and try again.