PeaZip is an OS-portable file archiver, released under LGPL for Windows and Linux (Linux version requires libgdk_pixbuf library). It supports it's native PEA archive format (featuring compression, splitting and flexible authenticated encryption and integrity check schemes) and other mainstream formats, with especial focus on handling open formats: Full support: 7Z, 7Z-sfx, BZip2, GZip/TGZ, PAQ8F, PAQ8JD, PEA, QUAD, split (.001), TAR, ZIP Browse/extract support: ARJ, CAB, CHM, CPIO, DEB, ISO, Java archives (JAR, EAR, WAR), LZH, NSIS installers, Open Office file types, PET/PUP, PK3/PK4, RAR, RPM, Z USER INTERFACE: PeaZip's UI aims giving aid to the user to: edit, save and restore layout of archives; save job definition, to be used in scripts or for learning purpose; have a detailed job log after each operation. Browsing and selective partial extraction and listing of 7z-supported archives is implemented with a navigational browser (featuring also an optional flat mode) and an advanced filtering mechanism allowing multiple inclusion and exclusion filters. PeaZip's most used functions are also available, in Windows installable version, from "SendTo" menu, allowing to: send files to .7z, .pea and .zip archives, encrypt multiple files and folders (.pea encrypted archive, with optional two factor authentication), split files, extract, list or test multiple archives (even of different types) at once. The interface is skinnable, skins can be customised and saved as plain text to be edited and shared as freely as possible.