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Ask HN: Duplicate photos on MacOS
We are dealing with a terabyte of duplicate photos, likely only 300 Gb of actual unique photos, spread across a multitude of directories.
Had been working with Trend Micro's Dr Cleaner, which has duplicate photo tool, but with recent security concerns we have removed it.
Other tools on MacOS app store seem somewhat shady, with small no-name software publishers, so I am wary to give such wide access right to personal data.
Will probably try coding up something in Python, but looking for other suggestions?
Also, do native macos Photos de-duplicate on import (so if you have same photo in two folders, and when you import to photos it identifies the 2nd copy and doesn't import into photo library)? I have read that may be the case (and only works on import) but really unclear from documentation.
- kasperset 8y agoMay be https://ssdeep-project.github.io/ssdeep/index.html https://ssdeep-project.github.io/ssdeep/index.html ? ssdeep -r -c -d -t 90 /Directory/Location/file > list_of_duplicates
- atom-x 8y agoYes, Photos will de-dupe on import. Import everything and only the originals should remain in the library.
- nytesky 8y agoThanks! Was surprised Apple didn’t manage this. So photo libraries are a folder with an internal managed database of image metadata and attributes? Does it internally order Masters by date of photo or date of import?
- ssijak 8y agoCleanMyMac has image deduplication, but I never used it because I never had such problem. But I used it for other things and it was reliable.
- bsg75 8y agoI have not used Gemini in a long time, but maybe worth looking into? https://macpaw.com/gemini https://macpaw.com/gemini