7-Zip 9.21

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.

Features:

· 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

What's new:
· Zip now can unpack UEFI BIOS files.
· 64-bit version of 7-Zip now includes additional 32-bit shell extension DLL. So other 32-bit programs can call 64-bit 7-Zip via context menu.
· Now it's possible to associate 7-Zip with file types without Administrator rights.
· New -mf=FilterID switch to specify compression filter.
Examples:
· 7z a -mf=bcj2 a.7z a.tar
· 7z a -mf=delta:4 a.7z a.wav
· 7z a -mf=bcj a.tar.xz a.tar
· There are some changes in LZMA settings for BCJ2 filter. So compression ratio now is slightly improved for executable files in -mx9 mode for .7z format. - Some bugs were fixed.
· New localizations: Corsican, Kyrgyz, Ligurian.

Download: 7-Zip 9.21 32-bit (1.1 MB) | 64-bit (1.4 MB) | 7-Zip Extra 9.21 (694 KB) |  7-Zip 4.65 32-bit (918 KB) | 64-bit (1.2 MB) | 7-Zip 4.65 Portable (1.3 MB) | Screenshot | Homepage