ABC-View Manager 

ABC-View Manager is a very fast and efficient image viewer and file manager. View thumbnails, build webpages, email photos, lossless rotate, find and delete duplicates, add descriptions, slide show, and much more. Try it for free 20 individual days.
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Check Identical Files 

This utility is able to check your drives for annoying duplicate files, and provides easy capability of deleting them, saving you megabytes of precious diskspace. An absolute must for people who have a huge number of files (e.g. pictures or mp3).
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