The following tables compare general and technical information for a number of file archivers. Please see the individual products' articles for further information. This article is not all-inclusive or necessarily up-to-date. Unless otherwise specified in footnotes, comparisons are based on the stable versions without any add-ons, extensions or external programs.
^ Extracting/adding file and/or directory names into archive in either UTF-7, UTF-8 or UTF-16/UCS-2 encoding to support single file/directory name which contains characters from different languages. More recent versions of the zip file format have support for Unicode filenames.
^ In WinRAR 3.60, when opening 7-Zip archives which contains Unicode file/directory names, they will not be displayed correctly. There will be no problem extracting them, however.
^ Does support Unicode names, but not under the default (initial) option settings: the user must tick "Use OEM conversion for filenames" under "General" on the "Miscellaneous" tab in the Configuration dialog to enable Unicode name support. Full support for Unicode files names by default is supported only for 7-Zip and RAR archive formats.
^ Commandline batch compression is available only for ZIP and ALZ formats.
^ UTF-8 support was completed in release 2.5. On Unix systems the support is full, while on Windows systems, due to limitation of the Windows shell environment, double-character encoded characters cannot currently be displayed in filenames of archived objects, and those chars are replaced by a corrupted character. Optionally, extended characters can be set to be always replaced by a 'corrupted' "?" character to avoid possible issues between archive's and system's character encodings.[7].
^ Commandline batch compression and expansion requires free add-on software downloaded from the WinZip website.
^ Peazip supports file encryption and file name encryption, although only in certain types of archives, including its own Pea format, 7-zip, zip and Arc.
Information about what archive formats the archivers can read. External links lead to information about support in future versions of the archiver or extensions that provide such functionality.
^ Used to, but no longer does, due to technical and legal issues. More info
^ GNU tar calls external programs [2] (like compress, gzip or bzip2 or any other programs working with abstract streams and supporting the "-d" option) to perform (un)compression, and allowing you to implement your own filters[3]. These external programs may be shipped with your Operating System.
^ GNU tar lets you implement your own filters [4], allowing you to use other compression programs (p7zip, ...) and filters (GPG, ...).
Information about what archive formats the archivers can write and create. External links lead to information about support in future versions of the archiver or extensions that provide such functionality.
^ Ark is a front-end only and requires appropriate command-line programs be installed. Programs like bzip2, gzip, tar, zip usually come with systems that contain Ark; writing in .rar format requires a commercial program. [10]
^ Xarchiver is a front-end only and requires appropriate command-line programs be installed. Programs like bzip2, gzip, tar, zip usually come with systems that contain Xarchiver; writing in .rar format requires a commercial program. [11][12]
^ File-Roller is a front-end only and requires appropriate command-line programs be installed. Programs like bzip2, gzip, tar, zip usually come with systems that contain File-Roller. writing in .rar format requires a commercial program.[13]
PeaZip has full support for various LPAQ and PAQ formats, QUAD and BALZ (highly efficient ROLZ based compressors), FreeArc format, and for its native PEA format.
7-Zip includes read support for .msi, cpio and xar, plus Apple's dmg/HFS disk images and the deb/.rpm package distribution formats; beta versions (9.07 onwards) have full support for the LZMA2-compressed .xz format.[1]
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