Home
7z Format
LZMA SDK
Download
FAQ
Support
Links
SourceForge
English Afrikaans Arabic Bulgarian Chinese Simpl. Chinese Trad. Esperanto French German Hungarian Japanese Persian Polish Portuguese Brazil Russian Spanish Thai Ukrainian Vietnamese |
# 7-Zip 7-Zip is a file archiver with a high compression ratio. Download 7-Zip 9.20 (2010-11-18) for Windows:
Link | Type | Windows | Size
--- | --- | --- | ---
Download | .exe | 32-bit x86 | 1 MB
Download | .msi | 64-bit x64 | 1 MB
Download 7-Zip 9.35 beta (2014-12-07) for Windows:
Link | Type | Windows | Size
--- | --- | --- | ---
Download | .exe | 32-bit x86 | 1 MB
Download | .msi | 64-bit x64 | 1 MB
The download links above redirect you to download pages on SourceForge.net ## License 7-Zip is open source software. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license: GNU LGPL + unRAR restrictions. Check license information here: 7-Zip license. 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: ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, 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 79 languages 7-Zip works in Windows 7 / Vista / XP / 2008 / 2003 / 2000 / NT / ME / 98. There is a port of the command line version to Linux/Unix. On 7-Zip's Source Forge Page you can find a forum, bug reports, and feature request systems. ## Compression ratio We compared 7-Zip with some of the leading archivers. FILE SETS: Mozilla Firefox 1.0.7 for Windows and Google Earth 3.0.0616 for Windows after full installation.
Archiver | Mozilla Firefox | Google Earth
--- | --- | ---
161 files 15,684,168 bytes | 115 files 23,530,652 bytes
Compressed size | Ratio | Compressed size | Ratio
7-Zip 4.23 (7z format) | 4621135 | 100% | 6109183 | 100%
WinRAR 3.50 | 5021556 | 109% | 6824892 | 112%
CABARC 5.1 | 5131393 | 111% | 7434325 | 122%
WinZip 10.0 beta (maximum-PPMd) | 5277118 | 114% | 8200708 | 134%
7-Zip 4.23 (zip format) | 6222627 | 135% | 8909446 | 146%
WinZip 10.0 beta (maximum-portable) | 6448666 | 140% | 9153898 | 150%
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 9.35 beta | 2014-12-07
7-Zip 9.35 beta
7-Zip 9.34 alpha | 2014-06-22
7-Zip 9.34 alpha
7-Zip 9.30 alpha | 2012-10-26
7-Zip 9.30 alpha
7-Zip 9.25 alpha | 2011-09-16
Forum: 7-Zip 9.25 alpha Download 7-Zip 32-bit Download 7-Zip x64
7-Zip 9.22 beta | 2011-04-18
7-Zip 9.22 beta
7-Zip 9.20 | 2010-11-18
History of 7-zip changes
Copyright (C) 2014 Igor Pavlov.