WinRAR Crystal is a powerful compression tool with many integrated additional functions to help you organize your compressed archives. WinRAR Crystal puts you ahead of the crowd when it comes to compression. By consistently creating smaller archives, WinRAR Crystal is often faster than the competition. This will save you disc space, transmission costs AND valuable working time as well. WinRAR Crystal supports all popular compression formats (RAR, ZIP, CAB, ARJ, LZH, ACE, TAR, GZip, UUE, ISO, BZIP2, Z and 7-Zip).