Auto-Crop PDF - Remove Scanner Borders & Extra Margins
Automatically detect content boundaries in scanned PDFs and remove scanner borders, extra margins, and whitespace for cleaner documents.
100% Private
Instant Processing
Browser-Based
Features
Smart content boundary detection using computer vision
Removes scanner borders and black edges automatically
Adjustable margin padding around detected content
Processes all pages in multi-page PDFs
Preserves content quality with high-resolution rendering
Falls back to original page if no content boundaries detected
No AI credits required
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Files encrypted during transfer, auto-deleted after processing
How It Looks
Scanned Page
Cropped Result
How It Works
1
Upload a scanned PDF with scanner borders or extra margins
2
The tool analyzes each page to detect content boundaries
3
Pages are cropped to the content area with optional margin padding
4
Download the trimmed PDF with clean edges
Common Use Cases
Removing black scanner borders from scanned documents
Trimming excessive margins from scanned book pages
Cleaning up misaligned scan margins across multiple pages
Standardizing page sizes in a batch of scanned documents
Preparing scanned archives for digital storage
Removing whitespace borders before printing