I always hear WinRar is so good, then WinZip is best, peazip is best... Well in the real world it's 7zip! I need something with great compression I DON'T care if it's pretty! So... moreI always hear WinRar is so good, then WinZip is best, peazip is best... Well in the real world it's 7zip! I need something with great compression I DON'T care if it's pretty! So I took a few folders and compressed them using the best compression each program offered. Using the 64bit versions if they had them.7zip 64bit, WinRar 64bit, PeaZip 64bit.Updated compression tests with a larger folder and file sizes. 7zip 64 bitversion 16.04 64bit http://www.7-zip.org WinRar 64 bit version 5.50 64bit https://www.win-rar.com Winzip 32 bit version 22 32bit - 21 trial http://www.winzip.comPeaZip 64 bit version 6.5.0 64bit http://www.peazip.org 01-08-2018 original file size on disk 5.07 GB or 5,446,914,048 bytes, 8546 Files, 1,775 folders.7zip...........4.41GB.....time 03:32 minutes .7z (Ultra) (Dictionary size 32 MB 4.55GB - 2:07)7zip...........5.05GB.....time 00:07 minutes .tar7zip...........4.67GB.....time 01:22 minutes .zipPeaZip.......5.05GB.....time 00:07 minutes .tarPeaZip.......4.67GB.....time... less