Crunch is a nice, decent and flexible application that helps the user to decrease different files. The user can get great functions and actions of this tool from finder bar. Its interface is sharp and decent that provides you access to the main conversion operations. It combines monitoring of various devices and operating systems. The user just has to insert the files that they need to convert and press the convert button; the conversion process will take only few minutes to finish the process. It supports various formats. This tool shut down your computer automatically when the process is finished.