Duplicate File Finder 3.4 is a freeware that falls under the category of File managers. Duplicate File Finder is a file finder that searches for empty or duplicate files in folders and subdirectories. What you may want to use is for is to clean up your disk and make more space by eliminating what can be called as dead weight on your system.
The File Finder utility allows you a lot of functions that will help you with the searching. For instance it allows for narrowing down of search by providing you with the freedom to choose the specific file types you wish to search for. Its 100% accuracy comes from byte to byte comparision. However if you want faster results especially in the case of big files you can choose Fast searching with 99% accuracy which works on comparison of the first and the last ten megabytes.
Duplicate File Finder includes other important features include: Multithreading operations, delete selected original files, locates and deletes empty files and more.

Duplicate File Finder 3.4 features a new function of selecting and unselecting duplicate files.