How to use this PDF tool
- 1
Choose a PDF.
- 2
Run visual similarity analysis.
- 3
Review every suggested pair before deleting anything.
Advanced
Duplicate Page Finder
Compare local low-resolution page signatures to find visually similar pages.
- 1Upload
- 2Configure
- 3Process & download
Drop a file here
or choose a file from your device
Processed on your deviceAbout this tool
Spot visually similar pages that may be accidental duplicates.
Compact visual signatures produce candidate pairs; no pages are deleted.
Features
- Local comparison
- Similarity candidates
- Non-destructive output
Output and quality
16×16 perceptual hashes show pairs at 94% or higher similarity.
Limitations
Results are heuristic. Similar templates can be flagged even when page text differs.
Tips for better results
- Compare names, dates, and amounts.
- Delete only confirmed duplicates.
Troubleshooting
Why were two forms flagged?
Shared templates can outweigh small differences.
Why was a duplicate missed?
Scan noise can reduce similarity.
Frequently asked questions
Are candidates guaranteed duplicates?
No.
Are they deleted?
No.
Can templates trigger false positives?
Yes.