DuplicateViewer can quickly find duplicate and large files on your system, and easily remove them to free up precious disk space. It also allows you to easily access your hard drive and file folder from the menu bar.

Find and remove duplicate files -- DuplicateViewer allows you to scan folder or an entire hard drive to find duplicate files, which can take up a great deal disk space. The built-in preview mode lets you preview the files before you remove them. It only remove useless duplicate files; the original files will never be removed.

Find and remove large files -- Useless large files waste disk space. DuplicateViewer offers ‘Large File Finder’ to list all files in the selected folder or drive, depending on the file size, so that you can see all the large files. You can preview the files, then select the useless ones for removal.