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7-Zip 9.11 beta

zzillezz — Mon, 15 Mar 2010 19:37:05 +0000

7-Zip is a file archiver with a 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. It also compresses to ZIP 2-10% better than PKZip and WinZip. It has an additional powerful command line version and FAR Manager support.

What’s new:

7-Zip now supports PPMd compression in .ZIP archives.
Speed optimizations in PPMd codec
The support for archives in installers was improved.
Some bugs were fixed.
New localization: Kazakh.

>> 7-Zip website
>> Download 7-Zip 9.11 beta

7-Zip 4.64

zzillezz — Sun, 04 Jan 2009 08:25:04 +0000

One of the tools I can’t do without: 7-Zip, the free file archiver / extractor. 7-Zip is a file archiver with a 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. It also compresses to ZIP 2-10% better than PKZip and WinZip. It has an additional powerful command line version and FAR Manager support.

>> 7-Zip website
>> Download 7-Zip 4.64 (32 bit) / Download 7-Zip 4.64 (64 bit)

7-Zip 4.51 beta

zzillezz — Wed, 25 Jul 2007 07:00:11 +0000

They keep pushing beta releases out at a fast rate, so I can’t post them all But here’s a new 7-Zip! 7-Zip is a file archiver with a 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. It also compresses to ZIP 2-10% better than PKZip and WinZip. It has an additional powerful command line version and FAR Manager support.

Changes in version 4.50 beta:

* New switch for command line version:
-ssc[-] enables/disables case-sensitive mode for file names.
* Speed optimizations for AES encryption.
* Some bugs were fixed.

Version 4.49 beta 2007-07-11
————————————–
- 7-Zip now can unpack WIM archives
- 7-Zip now replaces incorrect characters in filenames during extracting.

Version 4.48 beta 2007-06-26
————————————–
- Encryption strength for .7z format was increased.
Now it uses random initialization vectors.
- Some bugs were fixed.

Version 4.47 beta 2007-05-27
————————————–
- Bugs of 7-Zip 4.46 beta were fixed: BZip2 could work incorrectly.

Version 4.46 beta 2007-05-25
————————————–
- 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 4.51 beta
>> 7-Zip website

7-Zip 4.45 beta

zzillezz — Tue, 17 Apr 2007 07:48:44 +0000

Changes:
Now it’s possible to specify the size of solid block and the number of CPU threads in “Add to archive” dialog box.
Default dictionary size was increased: Normal: 16 MB, Max: 32 MB.
Speed optimizations.
Benchmark was improved (new “b” command in command line version).
The number of DLL files was reduced.
Now it’s possible to associate 7-zip with combined types like .tbz2
switch -mhcf=off is not supported now.
If -t{Type} switch is not specified, 7-Zip now uses extension of archive to detect the type of archive.
Some bugs were fixed.
New localization: Welsh.

>> 7-Zip website
>> Download 7-Zip 4.45 beta