MacOS – Byte-By-Byte Duplicate File Removal app for Mac? (not SHA-1 or MD5 hash!)

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I recently switched to Mac and spent way too many hours on PC trying every duplicate removal app, eventually discovering that byte-by-byte checking was necessary to get accurate (safe) results, and finally then settling on AllDup as the best app for this purpose.

Mac options seem more limited and I have not found any that do byte-by-byte checking, they don't even necessarily state on their website what algorithm(s) they use! Any tips? Must also work on Yosemite.

Best Answer

You could do worse than to try dupeGuru, available from Hardcoded Software, I've had very good results with it. It presents numerous options for fine-tuning your search and will perform byte-checking comparisons.

In addition to the standard dupeGuru there is a music edition as well as a picture edition for more specific media searches. It's free so give it a go with some test files and see what mileage you get.

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MacOS – Free app to detect & delete duplicate files from the Mac

Beware : once you change the content of a torrent, you're not able to seed it anymore.

Open a finder window, search for all files named .dat then just press cmd+a (select all) then cmd+backspace (delete) then cmd+backspace+maj (empty the bin)

You can also use gemini to find duplicates then delete them with Finder, or if you're familiar with bash :

find -not -empty -type f -printf "%s\n" |
    sort -rn |
    uniq -d |
    xargs -I{} -n1 find -type f -size {}c -print0 |
        xargs -0 md5sum |
        sort |
        uniq -w32 --all-repeated=separate

MacOS – Modify “open with” list for file type (not for duplicate removal)

I will suggest an alternative way than modifying the system's "open with" list.

I use LaunchBar as my main tool to interact with apps, files and more. I have configured LaunchBar so that when I select a document (or some text) and double tap the command key, LauchBar will allow me to specify the Application to open the file.

I believe that Alfred and Quicksilver have similar abilities.

Best Answer

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MacOS – Free app to detect & delete duplicate files from the Mac

MacOS – Modify “open with” list for file type (not for duplicate removal)

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