Free data compression software
ar (Unix)
The archiver (also known simply as ar) is a Unix utility that maintains groups of files as a single archive file.
The archiver (also known simply as ar) is a Unix utility that maintains groups of files as a single archive file.
ARJ
ARJ is a software tool designed by Robert K. Jung for creating high-efficiency compressed file archives.
ARJ is a software tool designed by Robert K. Jung for creating high-efficiency compressed file archives.
Ark (software)
Ark is an archiving tool for the KDE Software Compilation, included into kdeutils package.
Ark is an archiving tool for the KDE Software Compilation, included into kdeutils package.
Bitser (software)
Bitser is a free file archiver and backup software application for Microsoft Windows.
Bitser is a free file archiver and backup software application for Microsoft Windows.
Bitser software
Bitser is a free file archiver and backup software application for Microsoft Windows.
Bitser is a free file archiver and backup software application for Microsoft Windows.
bzip2
bzip2 is a free and open source lossless data compression algorithm and program developed by Julian Seward.
bzip2 is a free and open source lossless data compression algorithm and program developed by Julian Seward.
KGB Archiver
KGB Archiver is a file archiver and data compression utility based on the PAQ6 compression algorithm.
KGB Archiver is a file archiver and data compression utility based on the PAQ6 compression algorithm.
Lempel-Ziv-Oberhumer
Lempel-Ziv-Oberhumer (LZO) is a lossless data compression algorithm that is focused on decompression speed.
Lempel-Ziv-Oberhumer (LZO) is a lossless data compression algorithm that is focused on decompression speed.
Lempel-Ziv–Oberhumer
Lempel-Ziv-Oberhumer (LZO) is a lossless data compression algorithm that is focused on decompression speed.
Lempel-Ziv-Oberhumer (LZO) is a lossless data compression algorithm that is focused on decompression speed.
Lempel–Ziv–Oberhumer
Lempel-Ziv-Oberhumer is a lossless data compression algorithm that is focused on decompression speed.
Lempel-Ziv-Oberhumer is a lossless data compression algorithm that is focused on decompression speed.
Lzip
lzip is a free, command-line tool for the compression of data; it employs the Lempel–Ziv–Markov chain algorithm (LZMA) with a user interface that is familiar to users of usual Unix compression t...
lzip is a free, command-line tool for the compression of data; it employs the Lempel–Ziv–Markov chain algorithm (LZMA) with a user interface that is familiar to users of usual Unix compression t...
LZRW
Lempel–Ziv Ross Williams, (LZRW) refers to variants of the LZ77 lossless data compression algorithms with an emphasis on improving compression speed through the use of hash tables an...
Lempel–Ziv Ross Williams, (LZRW) refers to variants of the LZ77 lossless data compression algorithms with an emphasis on improving compression speed through the use of hash tables an...
p7zip
p7zip is a port of the command line version of the 7-Zip file archiver—famous for its introduction of the high-compression LZMA format—to POSIX-conforming operating systems, such as ...
p7zip is a port of the command line version of the 7-Zip file archiver—famous for its introduction of the high-compression LZMA format—to POSIX-conforming operating systems, such as ...
PAQ
PAQ is a series of lossless data compression archivers that have evolved through collaborative development to top rankings on several benchmarks measuring compression ratio.
PAQ is a series of lossless data compression archivers that have evolved through collaborative development to top rankings on several benchmarks measuring compression ratio.
QUAD (compressor)
QUAD is a high-performance data compressor based on the LZ algorithms (LZ77, LZ78, LZW).
QUAD is a high-performance data compressor based on the LZ algorithms (LZ77, LZ78, LZW).
rzip
The rzip program is huge-scale data compression software designed around initial LZ77-style string matching on a 900 MB dictionary window, followed by bzip2-based Burrows–Wheeler transform (BWT)...
The rzip program is huge-scale data compression software designed around initial LZ77-style string matching on a 900 MB dictionary window, followed by bzip2-based Burrows–Wheeler transform (BWT)...
Snappy
Schnappi das kleine Krokodil (Snappy the Little Crocodile) is a German children's cartoon character.
Schnappi das kleine Krokodil (Snappy the Little Crocodile) is a German children's cartoon character.
Snappy (software)
Snappy is a fast compression and decompression library based on LZ77's ideas developed by Google.
Snappy is a fast compression and decompression library based on LZ77's ideas developed by Google.
The Unarchiver
The Unarchiver is a free data decompression frontend of libxad, which supports more formats than Archive Utility, the built-in archive unpacker program in OS X. It can also handle filenames in f...
The Unarchiver is a free data decompression frontend of libxad, which supports more formats than Archive Utility, the built-in archive unpacker program in OS X. It can also handle filenames in f...
Unrar
Unrar is the name of two different command-line applications for extracting RAR archives.
Unrar is the name of two different command-line applications for extracting RAR archives.
UPX
UPX, the Ultimate Packer for eXecutables, is a free and open source executable packer supporting a number of file formats from different operating systems.
UPX, the Ultimate Packer for eXecutables, is a free and open source executable packer supporting a number of file formats from different operating systems.
Xarchiver
Xarchiver is a front-end to various command line archiving tools for Linux and BSD operating systems, designed to be independent of the desktop environment.
Xarchiver is a front-end to various command line archiving tools for Linux and BSD operating systems, designed to be independent of the desktop environment.
XZ Utils
XZ Utils (previously LZMA Utils) is a set of free command-line lossless data compressors, including LZMA and xz, for Unix-like operating systems and (as of version 5.0) Microsoft Windows.
XZ Utils (previously LZMA Utils) is a set of free command-line lossless data compressors, including LZMA and xz, for Unix-like operating systems and (as of version 5.0) Microsoft Windows.
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