7-Zip: a file archiver with a high compression ratio. (Free app)
7-Zip is free software with open source. The most of the code is under the GNU LGPL license. Some parts of the code are under the BSD 3-clause License. Also there is unRAR license restriction for some parts of the code. Read 7-Zip License information.
Features
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High compression ratio in 7z format with LZMA and LZMA2 compression
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Supported formats:
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Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
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Unpacking only: APFS, 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, VHDX, VMDK, XAR and Z.
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For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip
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Strong AES-256 encryption in 7z and ZIP formats
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Self-extracting capability for 7z format
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Integration with Windows Shell
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Powerful File Manager
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Powerful command line version
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Plugin for FAR Manager
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Localizations for 87 languages
7z Format
7z is the new archive format, providing high compression ratio.
The main features of 7z format:
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Open architecture
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High compression ratio
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Strong AES-256 encryption
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Ability of using any compression, conversion or encryption method
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Supporting files with sizes up to 16000000000 GB
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Unicode file names
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Solid compressing
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Archive headers compressing
**LZMA is default and general compression method of 7z format. The main features of LZMA method:
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High compression ratio
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Variable dictionary size (up to 4 GB)
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Compressing speed: about 2-8 MB/s on 4 GHz CPU (2 cpu threads version).
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Decompressing speed: about 30-100 MB/s on 4 GHz CPU (1 cpu thread).
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Small memory requirements for decompressing (depend from dictionary size)
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Small code size for decompressing: about 5 KB
Platforms
macOS (m64 / x86-64) Windows, Linux
License
7-Zip License
Tags
zip,ace,unzip,rar,7z,7zip,zipx,file compression,folders,tools,tool,utilities,productivity
