Поставлю наеврное Опус - знаю где его взять
. Есть тема на форуме.
Нашёл ещё вот что:
Duplicate Files Finder
Two powerful search engines (byte by byte and CRC32).
Find files with same contents, same name and zero size.
Find duplicate pictures, video, songs(mp3, wma, ogg).
Fastest among duplicate files finders.
Very user friendly, Specially design for novice users.
Works with removable media devices like Floppy, USB, etc.
Search local PC and over network.
Find duplicate files based on criteria : filename, byte to byte, CRC, etc.
Fuzzy Match for files with little differences
Can find duplicate from a selected set of folders (i.e., not from whole drive).
Allows important folders you wish to be excluded from scanning altogether.
Can use wild cards and protects the windows and system folders.
Skips the hidden files and folder.
Show files version and properties.
Resizable popup picture viewer.
Save job session and results for later review.
Results can be exported in HTML and CSV formats