7Zip is a free and open-source file archiver.
Key Features
- High compression ratio in 7z format thanks to LZMA and LZMA2 algorithms
- Compression to 7z format is 30-70% better than to ZIP format
- Compression to ZIP and GZIP formats in 7Zip is 2-10% better than in most other ZIP archivers
- Password-protected archives with strong AES-256 encryption in 7z and ZIP formats
- Self-extracting capability for 7z format
- Integration with Windows Shell
- File Manager
- Command-line version
- Plugin for FAR Manager
- Translated to 87 languages
Supported file formats
Packing and unpacking:
- 7z
- XZ
- BZIP2
- GZIP
- TAR
- ZIP
- 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
- Z
Supported OS
- Windows 11, 10, 8, 7, Vista, XP, 2016, 2012, 2008, 2003, 2000, NT.
- macOS (CLI alpha version)
- Linux (CLI alpha version)
License
Most of the code is available under the GNU LGPL license.
Some parts of the code are available under the BSD 3-clause License.
Also, there is unRAR license restriction for some parts of the code.
