7-Zip – A Good File Zipping Software

7-Zip is open source software. You can use 7-Zip on any computer, including a computer in a commercial organization. The main features of 7-Zip are:

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

  - Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR

  - Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, MSI, WIM, 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

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

• Self-extracting capability for 7z format

• Integration with Windows Shell

• Localizations for 69 languages

• Supported formats:

You don’t need to register or pay for 7-Zip. But you can make a donation to support further development of 7-Zip. The software may be downloaded at this link.