This program will search duplicate files and will help to make more free space on hard drive. Users can exclude or exclude specific types while scanning, can compare only file names or search for equal files, but with different extensions.
1. Interface
Main interface displays all important tasks. Select a folder, apply filters if you want and start searching for duplicates.

2. Filter by size or extension
Can set options to search files between specified file sizes, only for specific file types or exclude extensions.

3. Search identical files with different extensions
This feature allows to find duplicate files even they have different extensions, for example jpg and png or mp3 and aac.

4. Results
Once results are displayed, you can delete duplicates. Pressing selection by folders or selection by properties will dig in file locations where you can identify easily what file is best to be deleted.
- Download http://www.filesriver.com/app/119/anti-twin
- Visit website http://www.joerg-rosenthal.com/en/antitwin/
- Cons: cannot search in different locations in the same time
- OS: Windows 8, Windows 7 32-bit and 64-bit, Windows XP, Vista
- License: Freeware