7Zip Portable (file archiver) |
7Zip is a file archiver (compression) utility for Windows with a great array of features including: high compression ratio in new 7z format with LZMA compression; wide array of supported formats including 7z, ZIP, GZIP, BZIP2 and TAR; unpack support for RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB NSIS; better compression than many competing ZIP utilities;