7-Zip is a file archiver with a high compression ratio.

The main features of 7-Zip are:

• High compression ratio in new 7z format with LZMA compression

• Supported packing / unpacking formats: 7z, ZIP, GZIP, BZIP2 and TAR

• Supported formats for unpacking only: ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR and Z.

• Compression ratio for ZIP and GZIP formats: 2-10 % better than the ratio provided by PKZip and WinZip

• Strong AES-256 encryption in 7z and ZIP formats

• Self-extracting capability for 7z format

• Integration with Windows Shell

• Powerful File Manager

• Powerful command line version

• Plugin for FAR Manager

• Localizations for 74 languages