Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I'm dealing with a decade's worth of digital photos where I want to be sure i have one and only one of every .jpg is stored in my new master picture repository.

I'm aggregating lots of backup CDs as archival hard drives - this means i can't trust the file date when checking for dupes.

I need something that's able to look into the metadata within the jpg itself.


share|improve this question
I wrote a python script to find and delete duplicate files once, it generated checksums to find a duplicate, and was pretty fast. Have you considered just a normal duplicate checker? If not, why not? – Phoshi Apr 23 '10 at 14:57
up vote 2 down vote accepted

You don't really want to look at the metadata either. What you want is a tool to match pictures by similarity, in case there's been any minor editing, tagging, or recompression done to them.

Some programs I know of off the top of my head, but haven't extensively tested, are DupliFinder, imgSeek, and VisiPics.

DownloadSquad showcased DupliFinder a while back, and the discussion turned up some other alternatives. DownloadSquad Post. (Oh hey, I participated in that too. Go figure.)

share|improve this answer

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.