7-Zip is a file archiver with a high compression ratio.
Download 7-Zip () for Windows:
Download 7-Zip alpha () for Windows:
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 % better than the ratio provided by PKZip and WinZip
- Strong AES 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 / / / / / /
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.
We compared 7-Zip with WinRAR
FILE SETS: Mozilla Firefox for Windows and Google Earth for Windows.
|Archiver||Mozilla Firefox||Google Earth|
|Compressed size||Ratio||Compressed size||Ratio|
-m5 -s -ma5 -mdm
Compression ratio results are very dependent upon the data used for the tests. Usually, 7-Zip compresses to 7z format % better than to zip format. And 7-Zip compresses to zip format % better than most of other zip compatible programs.
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