Data compression is a process that reduces the volume of digital data in a file. This reduces the amount of storage space required along with the time required to send the data. In addition to the usual fee-based programs, there are several free ones available. A selection is provided below:
IZArc is a compression tool that can read nearly all common archive formats. IZArc supports drag & drop to and from Windows Explorer, the creation of split archives and comments functions. It also includes an integrated decryption module for ZIP passwords.
WinRAR can create 100%-compatible ZIP archives. Beginner and expert users alike will quickly become comfortable with the intuitive features offered by this software. The basic functions include packing and unpacking of archives as well as repairing damaged archives.
StuffIt Expander is considered the standard compression software for Mac. It can handle more than 20 different compression formats such as ZIP, RAR, HQX, SIT or SITX. Files are unpacked and scanned for viruses. Convenient drag & drop function, quick and easy to use.