Duplicate Sweeper 1.89

Duplicate Sweeper makes finding, selecting and removing duplicate files on your computer quick and easy. Using Duplicate Sweepers advanced search algorithm, files with the same content are quickly identified - even if they are named differently.
Duplicate Sweeper makes it easy to select which files to keep based on date. You can even preview the file contents using the in-built document viewer in Duplicate Sweeper.

Once you're happy that you have selected all the files you need to remove - Duplicate Sweeper removes the unwanted files into your Recycle Bin. This way, if you change your mind, you can simply restore the files out of trash.

Features:

Scan your computer for duplicates without any sign-ups.
Find duplicate photos, videos, music, documents and more.
Preview duplicate files found within Duplicate Sweeper.
Let Duplicate Sweeper Automatically select files for removal or select individual files yourself.
Full version can save disk space by removing duplicate files.

Whats new
Updates: official site does not provide any info about changes in this version.