dup
find
the table
sheet notes
the loupe
Sheet notes
written between sorting sessions
How a computer sees two photos as one
Perceptual hashing: why a 4MB original and a 200KB forward fingerprint the same.
sheet 01 · 12 jul 2026
The duplicate-finder download trap
Why searching for this tool leads somewhere unpleasant.
sheet 02 · 12 jul 2026
Before you delete 40,000 photos
A short, unglamorous checklist from people who have regretted a bulk delete.
sheet 03 · 12 jul 2026