7-Zip is an open source free software to create and extract compressed files. The most of the code is under the GNU LGPL license. Some parts of the code are under the BSD 3-clause License.
You can use 7-Zip on any computer, including a computer in a commercial organization. No registration or payment required.
- High compression ratio in 7z format with LZMA and LZMA2 compression
- Supported formats: Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
- Unpacking only: AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS, IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, RPM, SquashFS, UDF, UEFI, VDI, VHD, VMDK, WIM, XAR and Z.
7-Zip works in Windows 10 / 8 / 7 / Vista / XP / 2016 / 2012 / 2008 / 2003 / 2000 / NT.