7-Zip - File Archiver/Compression Tool 7-Zip is a file archiver with high compression ratio.
Main features:

High compression ratio in new 7z format with LZMA compression
Supported formats:

Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
Unpacking only: RAR, CAB, ARJ, LZH, CHM, Z, CPIO, RPM and DEB

For ZIP and GZIP formats 7-Zip provides compression ratio that is 2-10 […]