STORAGE · 4 MIN READ
How to find and remove duplicate photos safely
· CloudWink team
Duplicates creep in from re-downloads, chat apps, old backups and switched phones. They waste space twice: on your phone and in your storage plan.
Exact duplicates vs similar photos.
An exact duplicate is the same file, byte for byte. Removing one loses nothing. A similar photo is a burst shot, an edited version, or a resized copy. Removing one may lose the better take, so similar photos need a human decision.
How exact matching works.
Reliable tools compute a checksum, a fingerprint of the file’s contents, such as SHA-256. Two files with the same checksum are identical. Matching by file name or date is guesswork: two different photos can share a name like IMG_0001.jpg.
A safe clean-up.
Order matters.
- Back up first.
- Remove exact duplicates automatically.
- Review similar photos yourself, a few dozen at a time.
- Use a trash with a recovery window, so a mistake can be undone.
How CloudWink handles duplicates.
CloudWink computes a SHA-256 checksum for every upload and finds identical files byte for byte, never by name or guesswork. Deleted files wait in Trash for 30 days and restore back into their albums.
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