7-Zip is a file archiver with the high compression ratio. The program supports 7z, ZIP, CAB, RAR, ARJ, LZH, CHM, GZIP, BZIP2, Z, TAR, CPIO, RPM and DEB formats. Compression ratio in the new 7z format is 30-50% better than ratio in ZIP format.
7-Zip是一款压缩比很高的压缩软件，支持的压缩及解压缩格式也是现在比较流行的格式。在保证压缩质量的情况下给您带来的是更高的压缩比。支持格式： 压缩及解压缩：7z、ZIP、GZIP、BZIP2 和 TAR。仅解压缩：RAR、CAB、ISO、ARJ、LZH、CHM、Z、CPIO、RPM、DEB 和 NSIS 。对于 ZIP 及 GZIP 格式，7-Zip 能提供比使用 PKZip 及 WinZip 高 2-10% 的压缩比。7z 格式支持创建自释放(SFX)压缩档案。
The main features of 7-Zip
* High compression ratio in new 7z format with LZMA compression
* Supported formats:
- Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
- Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB and NSIS
* For ZIP and GZIP formats 7-Zip provides compression ratio that is 2-10 % better than ratio provided by PKZip and WinZip
* Self-extracting capability for 7z format
* Integration with Windows Shell
* Powerful File Manager
* Powerful command line version
* Plugin for FAR Manager
* Localizations for 63 languages
Changes:
- New fast compression mode for Deflate method in Zip and GZip.
- New "Compress shared files" option in GUI and -ssw switch.
- Some bugs were fixed.
- New localization: Norwegian Nynorsk
Download: 7-Zip 4.45 官方简体中文版
Download: 7-Zip 4.46 Beta