Auto-Crop PDF (Content-Aware)
Automatically crop PDF margins and dead space. Content-aware cropping for scanned documents.
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Maximum file size: 10MB
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What is This Tool?
Automatically crop PDF margins and dead space online for free. This tool detects actual content boundaries and removes excessive white space from scanned documents. Perfect for cleaning up scans with large margins or uneven borders.
Scanned PDFs often have large margins and dead space that waste paper when printing and make documents harder to read on small screens. Our tool detects the actual content bounding box, auto-crops evenly while preserving original DPI.
How to Use
Upload PDF - Upload scanned PDF with large margins. Processing in browser.
Configure Cropping - Use Cropping Intensity slider. Margin Preservation checkbox keeps small margins if needed.
Process & Download - Tool detects content bounding box, auto-crops evenly, maintains original DPI, downloads cropped PDF.
Frequently Asked Questions
Will this crop important content?
No. Tool detects actual content boundaries and only removes empty white space.
Can I keep small margins?
Yes. Enable Margin Preservation to keep small borders around content.
Does this reduce quality?
No. Original DPI is preserved during cropping process.
Is my data secure?
Yes. All processing in browser.
Can I adjust crop amount?
Yes. Cropping Intensity slider controls how aggressively margins are removed.
What's the file size limit?
Supports PDFs up to 10MB.