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7-Zip 7-Zip is a file archiver with a high compression ratio. Download 7-Zip 19.00 (2019-02-21) for Windows: Link Type Windows Size Download .exe 32-bit x86 1 MB Download .exe 64-bit x64 1 MB Download 7-Zip 19.02 alpha (2019-09-05) for Windows: Link Type Windows Size Download .exe 32-bit x86 1 MB Download .exe 64-bit x64 1 MB License 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. You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. The main features of 7-Zip 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. 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 Powerful File Manager Powerful command line version Plugin for FAR Manager Localizations for 87 languages 7-Zip works in Windows 10 / 8 / 7 / Vista / XP / 2016 / 2012 / 2008 / 2003 / 2000 / NT. p7zip - the port of the command line version of 7-Zip to Linux/Posix. On 7-Zip's SourceForge Page you can find a forum, bug reports, and feature request systems. Compression ratio We compared 7-Zip with WinRAR 5.20. FILE SETS: Mozilla Firefox 34.0.5 for Windows and Google Earth 6.2.2.6613 for Windows. Archiver Mozilla Firefox Google Earth 65 files 85 280 391 bytes 483 files 110 700 519 bytes Compressed size Ratio Compressed size Ratio 7-Zip 9.35 -mx 39 357 375 100% 15 964 369 100% WinRAR 5.20 -m5 -s -ma5 -md128m 41 789 543 106% 17 035 432 107% Compression ratio results are very dependent upon the data used for the tests. Usually, 7-Zip compresses to 7z format 30-70% better than to zip format. And 7-Zip compresses to zip format 2-10% better than most of other zip compatible programs. 7-Zip 19.02 2019-09-05 7-Zip 19.02 alpha 7-Zip 19.00 2019-02-21 7-Zip 19.00 2019-02-01 Windows 10 BUG : Large Pages 7-Zip ChangeLog History of 7-zip changes Copyright (C) 2019 Igor Pavlov. The site is hosted at Digital Ocean