duplicate files

you can use it only for one simple task: to check for duplicate lines in 2 files

Find duplicate and near duplicate images by opening and reading image pixel data

Browse and view large number of images, search for similar or duplicate images.

Quickly find duplicate songs in your music collection.

You browse lists of I.M. sites on auto surf mode, you remove duplicate entries.

You browse lists of I.M. sites on auto surf mode, you remove duplicate entries.

Delete Invalid email address and duplicate emails.

Checks invalid, duplicate email addresses in a mailing list

CloneSpy is a Free Duplicate File CleanUp Tool for Windows.

Equi Buzz is a duplicate check software allowing you to write unique content.