PDF Duplicate Page Remover
Detect and remove visually duplicate pages from a PDF automatically
📂
Drop PDF here or click to upload
PDF files only — Max 50MB
PDF
How to Use
1
Upload PDF
Drop or select your PDF. The tool renders each page to compare them visually.
2
Set Sensitivity
Adjust the similarity threshold. Higher = only near-identical pages removed; lower = more aggressive deduplication.
3
Download
Click Detect & Remove and download the cleaned PDF. 100% browser-based.
FAQ
No. The PDF is processed entirely in your browser using pdf.js and pdf-lib.js. Your file never leaves your device.
Each page is rendered to a small canvas (32×32px thumbnail) and a perceptual hash is computed. Pages with hashes below the similarity threshold are flagged as duplicates.
Yes. Only subsequent duplicate pages are removed. The first occurrence of each unique page is always preserved.