Saturday, October 26, 2013

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

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

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
7-Zip. 7-Zip is a file archiver with a high compression ratio. Download 7-Zip 9.20 (2010-11-18) for Windows:

7-Zip Download
7-Zip is a file archiver with a high compression ratio. Choose a download format. Download links redirect to a download page on SourceForge.net.

7-Zip | Free Security & Utilities software downloads at ...
7-Zip is a file archiver with the high compression ratio. The program supports 7z, XZ, BZIP2, GZIP, TAR, ZIP, WIM, ARJ, CAB, CHM, CPIO, CramFS, DEB,

7-Zip - Download
To extract and compress your files, 7-Zip is a great free WinRAR alternative. The 7-Zip interface is similar to that of its competitors, with a main file manager and

7-Zip - Wikipedia, the free encyclopedia
7-Zip is an open source file archiver, or an application used to compress files. 7-Zip operates with the 7z archive format, but can read and write several other

7-Zip Portable | PortableApps.com - Portable software for ...
- Support PortableApps.com's development and hosting. 7-Zip Portable works best with the PortableApps.com Platform. Features. 7-Zip is a file archiver

7-Zip - Browse Files at SourceForge.net
7-Zip is a file archiver with the high compression ratio. The program supports 7z, XZ, BZIP2, GZIP, TAR, ZIP, WIM, ARJ, CAB, CHM, CPIO, CramFS, DEB,

7-Zip - Free download and software reviews - CNET Download.com
From 7-Zip Software: The main features of 7-Zip: High compression ratio in new 7z format with LZMA compression. Supported formats: Packing / unpacking: 7z

7-Zip.de
Willkommen auf der offiziellen 7-Zip Webseite! 7-Zip ist ein freies Datenkompressionsprogramm mit einer hohen Kompressionsrate. 7-Zip 9.20 (18.11.2010) für Windows:

7-Zip
7-Zip / 7zziprarlzhISOtardmgmsi

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