Find and remove duplicate pages in a PDF

Automatically detects duplicate pages in a PDF by comparing their visual content, even if they are not next to each other. Useful for merged or repeatedly scanned documents. Free, local in your browser.

Choose your PDF

Drop here or click to choose

Files stay on your device — nothing is uploaded

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Your file is processed in your browser and never uploaded.

How does it work?

1
Choose your PDF
Drag the PDF here. Pages are analysed automatically.
2
Review the found duplicates
Groups of identical pages are shown.
3
Remove & download
Choose which version to keep and download the result.

Frequently asked questions

How are duplicates detected?

Each page gets a visual fingerprint based on its appearance. Pages with a very similar fingerprint are considered duplicates.

Are my files uploaded?

No. Everything happens in your own browser. Your file never leaves your device and is not stored anywhere.

Is it free?

Yes, completely free and without watermark, ads or account.