PeaZip is available for IA-32 and x86-64 as a standalone portable application and as an installable package for Microsoft Windows, Linux[15][16] (DEB, RPM and TGZ, compiled both for GTK2 and Qt widgetset), and BSD (GTK2).

Although not suitable for general use due to high memory usage and low speed, these formats provide better compression ratios for most data structures.

It is a general purpose archiving format supporting compression and multiple volume output.

The intention is to offer a flexible security model through Authenticated Encryption providing both privacy and authentication of data, and redundant integrity checks ranging from checksums to cryptographically strong hashes, defining three different levels of communication to control: streams, objects, and volumes.

PeaZip acts as a graphical front-end for numerous third-party open source or royalty-free utilities, including: Most of these utilities can run both in console mode or through a graphical wrapper that allows more user-friendly handling of output information.