- Quick specs
- Price: Free
- Operating system: Windows Me, Windows NT, Windows XP, Windows 2000, Windows 98
- Date added: February 01, 2007
- Total Downloads: 1,453,039
- Downloads last week: 14,489
- See full specifications
A newer version of 7-Zip is available.
(Download doesn't provide access to previous versions of this program.)
- CNET editors' rating: stars
- Average user rating: stars out of 598 votes
See all user reviews
CNET editors' review
Reviewed by: CNET Staff
It's easy for Windows users to forget that WinZip isn't the only file-compression utility in the world. Like its better-known competitors, the free 7-Zip unpacks a host of archive formats, including ZIP, TAR, GZ, and its own 7z format. Unlike WinZip, though, it can create TAR and GZ archives, which are commonly used on Unix and Linux systems.
The program's ability to shrink files was stunning. In our tests, 7z archives were up to 40 percent smaller then their ZIP equivalents, although compression did take longer, and the highest compression settings can hog system resources. Advanced options include the ability to create solid and self-extracting archives, and to adjust the compression level and password protection. The program also has a command line module. Though the main interface is overly simple and looks like it was designed for Windows 95, it's not hard to use and fairly self-explanatory. The context menu options, which include "testing" an archive, indicate that 7-Zip should be taken seriously.
7-Zip is fine for casual users with a bit of computer savvy, but it's especially well-suited for developers and anyone else who moves between the Windows and Linux/Unix worlds.
Publisher's description
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, 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.
Version 4.44 beta may include unspecified updates, enhancements, or bug fixes.
What's new in this version:
Unspecified bug fixes.
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User reviews of 7-Zip 4.44 beta
- Average user rating: 4.4 stars out of 598 votes
- My rating: 0 stars Write review
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Showing 5 of 75 user reviewsSee all 75 user reviews
This software version | All versions -
1 out of 1 people found this review helpful
Version: 7-Zip 4.44 beta
Pros: The best , no doubts .
...& it's open source .
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61 out of 86 people found this review helpful
Version: 7-Zip 4.44 beta
Pros: this will open nearly ALL types of compressed files (inc RAR).the 7zip format compression is better than winRAR.it has right click menu for windows and you can drag and drop.
if you do need a better compression tool than the one that comes with windows (zip file)why pay when you can get this for FREE
Cons: none
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13 out of 17 people found this review helpful
Version: 7-Zip 4.44 beta
"Awsome Software. Free to use. Open Source."
Pros: Unpack (decompress): 7z, ZIP, GZIP, BZIP2, TAR, RAR, ISO, CAB, ARJ, LZH, CHM, Z, CPIO, RPM and DEB files (all without the need for external programs).
Pack (compress): 7z, ZIP, GZIP, BZIP2 and TAR files.
Freeware
Open Source software (GPL).
Frequently updated.
Nothing beats the 7-Zip (7z) format when it comes to compression. It squeezes files smaller than any other compression format. And unlike WinZip you can make self-extracting archives (.exe) with the same program (WinZip requires addon software at additional cost).
Excellent Windows shell integration.
And it's now available in a 64-bit version.
Cons: The GUI is ugly.
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3 out of 4 people found this review helpful
Version: 7-Zip 4.44 beta
Pros: Open source, similar interface as WinRAR and also same file type support (commonly .RAR in WinRAR)
Wonderful.
Cons: None???
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5 out of 11 people found this review helpful
Version: 7-Zip 4.44 beta
"Pretty darn good compression application."
Pros: Every release gets better and the new version supports "RAR" files which was long overdue. The compression ratio is outstanding. The GUI is as simple to use as the application itself. And, If anyone is interested, there is a newer version available that supports "Vista' I found it at "Softpedia" but it requires a torrent download right now, or so they say.
Cons: No cons. This is a very good, free compression utility.
- See all 75 user reviews Write review
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