PeaZip is cross platform and runs on 32 and 64 bit Windows (9x, 2000, XP, Vista) and Linux. It supports handling many archive and compression formats:

PeaZip allows to edit, save and restore archive's layouts; apply powerful multiple filters to archive's content; handle multiple archives at once; export job definition as command line; encrypt with AES256 etc.
Other features: split/join files (file span), wipe files (secure deletion), compare, checksum and hash files, system benchmark, generate random passwords and keyfiles.
Recommended resources: PeaZip free archiver introduction, FAQ, program's screenshots

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Notes for users

You can simply unpack PeaZip portable in the path you prefer and use it, even on the network or on removable devices as USB sticks; it will not modify the host system.
On Windows systems the setup of PeaZip installable needs to run with administrative privileges, otherwise the program will install correctly for all but the filetype associations which could not be set.
On Linux systems, if missing libraries are reported installing PeaZip or the first time you run peazip binary (you can launch it from a console for detailed feedback), please follow your package manager instruction to install them. Usually missing libraries are standard and widely available gtk/gtk related components (like libgdk_pixbuf).
You can use PeaZip's 32 bit packages on 64 bit Windows systems or 64 bit Linux systems, in this case either omitting architecture check for 32 bit installable packages or using _portable packages instead.
Both on Linux and Windows, 32 bit backend binaries can be freely replaced with 64 bit counterparts (if available) for performance optimization.
See documentation (and FreeDesktop_integration folder in Linux packages) for hints about integration of PeaZip in the desktop environment (Gnome, KDE, Windows): file associations, start menu, service/context menus, SendTo...

PeaZip UNACE plugin plugin is excluded from the base package and is not hosted on SourceForge because it is (royalty free) closed source software. Binaries in "standalone" UNACE plugin packages should go in peazip/res/unace/ path.

Release notes

Release 2.0 completes the evolution PeaZip user interface sustained in 1.* series, introducing many fixes and improvements, and set the new starting point for UI of 2.* series.
UI development was expecially focused in enhancing usability of the application under many different aspect: improved context menus, more keyoboard shortcuts, smarter default behaviours etc...
Lpaq family support was extended to lpaq8; it was also added support for using arbitrary utilities for archiving and extraction ("custom" format) and it was created an additional tab allowing to import the job defined in the GUI as a command line, in order to freely modify, fine-tune, save or launch it, without modifying the GUI frontend's job definition.

PeaZip project is hosted on: