Create a file or files that cannot be compressed, mainly to test archive programs and antivirus apps: NonCompressibleFiles is a small portable program that allows you to create on the fly one or more non-compressible files, or maximum compressible files. 0.03 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree
How to turn your Windows Explorer into a fully-functional compression archive with support for RAR, 7ZIP and ACE archives. 5.23 MB | For Windows 7, Windows 8 / Vista / XP / NTShareware CompreXX Review - Download
RAR File Open Knife is a RAR extraction utility which only works with RAR files. 1.3 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree RAR File Open Knife Review - Download
An alternative to the 7-Zip file archiver application with support for many archive types including 7Z, RAR and ZIP: J7Z is an alternative to popular file archiver programs such as Winzip, Winrar, WinACE, etc. 234 KB | For Windows 7, Windows 8 / Vista / XPFree J7Z Review - Download
There have been a load of different types of compression programs available for Windows, but Quick Zip is a little bit different for the fact that it is offered as a freeware application. 1 MB | For Windows 7, Windows 8 (64-bit, 32-bit) / Vista / XPFree Quick Zip Review - Download