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  • What is 7-Zip?

    We've all heard of WinRar and WinZip but unlike those programs, 7-Zip is completely free and does not require registration. Zip and unzip files with 256-bit encryption, 7-Zip can do it all unlike the other software and all that 100% free. There is even a portable version of the program available.

  • Features

    7-Zip supports numerous features such as: self-extracting capabilities, a command line version, plugins for FAR manager, integration with Shell, excellent AES-256 encryption, multiple core threading and much more...

  • Security

    7-Zip supports 256-bit AES cipher encryption which can be enable for both, file and the directory. When the directory of the archive is encrypted, users are required to enter a password in order to see the file names in the archive.

  • Performance

    7-Zip is packed full of features, it can zip, unzip and backup files. All that with speeds up to 1MB per second during compression and 20MB per second during decompression which makes it the best existing archiving tool.

  • Formats

    7-Zip can unpack almost all of the popular formats such as: 7z, Zip, RAR, GZIP, TAR, ISO, GZ, ARJ, BZIP2, CAB, CHM, CPIO, DEB, DMG, HFS, LZH, LZMA, MSI, NSIS, RPM, UDF, XAR and WIM.

7 Zip Features

The main features of 7-Zip are: High compression ratio in new 7z format with LZMA compression. Supported formats: Packing / unpacking: 7z, ZIP, GZIP and TAR; Unpacking only: ARJ, CAB, CHM, DEB, DMG, HFS, ISO, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR and Z. 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.

In the form of p7zip, the command line version has been ported for use on Unix-like systems including Linux, FreeBSD, Mac OS X and AmigaOS 4. There are several GUI frontends for p7zip such as Q7Z. An alternate GUI for 7-Zip on Windows, 7Z, has been released by the same developers. A GUI front-end for p7zip on the Mac OS X operating system named keka is also available.

Two command line versions are provided: 7z.exe, using external libraries; and a standalone executable 7za.exe containing built-in modules. However, 7za’s compression/decompression support is limited to 7z, ZIP, gzip, bzip2, Z and tar formats. A 64-bit version is available for 64-bit editions of Windows, with support for large memory maps leading to faster compression. All versions support multi-threading.

Also,  jZip is an alternative (proprietary) GUI for windows.

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