7-Zip is a compression software that claims to have the highest compression ratio today. It not only supports the unique 7z file format, but also supports a variety of other compression file formats, including ZIP, RAR, CAB, GZIP, BZIP2, and TAR. The compression ratio of this software is 30-50% higher than that of common ZIP files. Therefore, it can compress files compressed by WinZip 2-10%.
7-Zip Main Features
The algorithm is updated to increase the compression ratio of the 7z format.
7-Zip is a software release based on gnu lgpl.
Supported formats:
Compression and decompression: 7z, ZIP, GZIP, BZIP2, and TAR
Extract only: RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB, and NSIS
For ZIP and GZIP formats, 7-Zip provides 2-10% higher compression ratio than PKZip and WinZip.
In the 7z format, you can create an auto-release (SFX) compressed file.
Integrated Windows Shell Extension
Powerful File Management
Powerful command line version
Support for FAR Manager plug-ins
Supports 63 languages
7-Zip is applicable to Windows 98/ME/NT/2000/XP/2003. 7-Zip with command line versions for Linux and Unix platforms.
On the Source Forge 7-Zip page, you can find relevant forums, error reports, and system requirements.
Compression Ratio
Let's compare 7-Zip with common compression software.
File Settings: The fully installed Mozilla Firefox 1.0.7 for Windows and Google Earth 3.0.0616 for Windows.
The compression ratio depends on the size of the compressed data. Generally, the 7z format of 7-Zip can be 30-70% less than that of zip files. In addition, the Zip format created using 7-zip is 2-10% less than that created by most other compression software.
Download: 7-Zip 4.45 Alpha 1 32-bit (865 KB)
Http://www.7-zip.org/alpha/7z445a1.exe
Download: 7-Zip 4.45 Alpha 1 64-bit (1.30 MB)
Http://www.7-zip.org/alpha/7z445a1-x64.msi
Http://crsky.com/soft/8004.html
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7-Zip 4.44 beta official Simplified Chinese version
Jan 25 version 4.44 beta
2007-01-25
LZMA, Deflate, BZip2, and unRAR speed optimization.
7-Zip now supports path names larger than 260 characters.
Corrected known errors.
Right-click the menu item to create a. ZIP compressed file.
Added localization languages: Bangla, Bashkir, and Nepali)
: Http://www.7-zip.org/zh-cn/7z444chs.exe
Beautify icon group: http://www.7-zip.org/zh-cn/7z_iconset.exe
Update note:
Due to the earthquake, it cannot be connected to the 7-zip.org network. The Chinese version of this version has been updated for several days. Please forgive me. This file is uploaded by Xingfeng snow. Thank you.
This version fixes the issue of garbled characters in some strings in beta 4.43.
The Bangla language in the localized language is added. I do not know how to translate it.