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

The main features of 7-Zip

• High compression ratio in new 7z format with LZMA compression
• Supported formats:
  o Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
  o Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB and NSIS
• For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip
• Self-extracting capability for 7z format
• Integration with Windows Shell
• Powerful File Manager
• Powerful command line version
• Plugin for FAR Manager
• Localizations for 63 languages