Hamster Free Zip Archiver compresses files in the ZIP and 7z formats as well as decompress RAR files.
It's simple to install and use with its neat interface - compress files by simply dragging and dropping.
There are three setting for your archives; Minimum, Optimal and Maximum. Maximum is the slowest speed but the smallest file size and in turn Minimum is the faster speed but the large file to archive.
We all know how crucial hard disk space is, especially for those people who are constantly on the go and who always bring their work with them. It can be a problem sometimes because the files they need to bring with them are bigger than their free space. Worry no more - 7-Zip is here to the rescue.
7-Zip is an open source software for file compression and archiving, and unlike others, it offers a high compression ratio - definitely perfect for those big files that need to be shrinked.