Showing 146 open source projects for "file compression"

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  • 1
    LZ4

    LZ4

    Extremely fast compression algorithm

    LZ4 is lossless compression algorithm, providing compression speed > 500 MB/s per core (>0.15 Bytes/cycle). It features an extremely fast decoder, with speed in multiple GB/s per core (~1 Byte/cycle). A high compression derivative, called LZ4_HC, is available, trading customizable CPU time for compression ratio. LZ4 library is provided as open-source software using a BSD license. This benchmark simulates simple "static content transfer" scenario such as OS Kernel compression or video game's...
    Downloads: 174 This Week
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  • 2
    Zstandard

    Zstandard

    Zstandard - Fast real-time compression algorithm

    Zstandard is a fast compression algorithm, providing high compression ratios. It also offers a special mode for small data, called dictionary compression. The reference library offers a very wide range of speed / compression trade-off, and is backed by an extremely fast decoder (see benchmarks below). Zstandard library is provided as open source software using a BSD license. Its format is stable and published as IETF RFC 8478. The negative compression levels, specified with --fast=#, offer...
    Downloads: 59 This Week
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  • 3
    Brotli

    Brotli

    Brotli compression format

    Version 1.0.9 contains a fix to "integer overflow" problem. This happens when "one-shot" decoding API is used (or input chunk for streaming API is not limited), input size (chunk size) is larger than 2GiB, and input contains uncompressed blocks. After the overflow happens, memcpy is invoked with a gigantic num value, that will likely cause the crash. Brotli is a generic-purpose lossless compression algorithm that compresses data using a combination of a modern variant of the LZ77 algorithm...
    Downloads: 21 This Week
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  • 4
    Borg

    Borg

    Deduplicating archiver with compression and encryption

    BorgBackup or Borg for short is a deduplicating backup program that also supports compression and authenticated encryption. It provides a secure and efficient way to backup data, and is ideal for daily backups and backups to not fully tested targets.
    Downloads: 1 This Week
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    Reliable PostgreSQL Backup & Restore

    Reliable PostgreSQL Backup & Restore

    Reliable PostgreSQL backup and restore

    pgBackRest aims to be a reliable, easy-to-use backup and restore solution that can seamlessly scale up to the largest databases and workloads by utilizing algorithms that are optimized for database-specific requirements. Compression is usually the bottleneck during backup operations but, even with now-ubiquitous multi-core servers, most database backup solutions are still single-process. pgBackRest solves the compression bottleneck with parallel processing. Utilizing multiple cores...
    Downloads: 0 This Week
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  • 6
    Mozilla JPEG Encoder Project

    Mozilla JPEG Encoder Project

    Improved JPEG encoder

    MozJPEG improves JPEG compression efficiency achieving higher visual quality and smaller file sizes at the same time. It is compatible with the JPEG standard, and the vast majority of the world's deployed JPEG decoders. MozJPEG is compatible with the libjpeg API and ABI. It is intended to be a drop-in replacement for libjpeg. MozJPEG is a strict superset of libjpeg-turbo's functionality. All MozJPEG's improvements can be disabled at run time, and in that case it behaves exactly like libjpeg...
    Downloads: 1 This Week
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  • 7
    Library and command line tools for XZ and LZMA compressed files
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    Downloads: 149,983 This Week
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  • 8
    7-Zip

    7-Zip

    A free file archiver for extremely high compression

    7-Zip is a file archiver with a high compression ratio. 7-Zip works in Windows 11 / 10 / 8 / 7 / Vista / XP / 2022 / 2019 / 2016 / 2012 / 2008 / 2003 / 2000. You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. And there is command line version for Linux and macOS. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license with GNU LGPL + unRAR restrictions. Check the license...
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    Downloads: 13,073 This Week
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  • 9
    LAME (Lame Aint an MP3 Encoder)

    LAME (Lame Aint an MP3 Encoder)

    A high quality MP3 encoder

    LAME is an educational tool to be used for learning about MP3 encoding. The goal of the LAME project is to improve the psycho acoustics, quality and speed of MP3 encoding. Note: we provide source code only!
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    Downloads: 16,100 This Week
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  • 10
    Squashfs is a highly compressed read-only filesystem for Linux. Squashfs compresses both files, inodes and directories, and supports block sizes up to 1Mbytes for greater compression. It is implemented as a kernel module under VFS.
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    Downloads: 4,273 This Week
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  • 11
    Nikkho

    Nikkho

    Javier Gutiérrez Chamorro (Guti) Open source projects

    Javier Gutiérrez Chamorro (Guti) Open source projects Author's website: https://www.javiergutierrezchamorro.com
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    Downloads: 1,744 This Week
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  • 12

    OptiPNG

    Advanced PNG optimization program

    OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections.
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    Downloads: 536 This Week
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  • 13
    gSOAP Toolkit

    gSOAP Toolkit

    Development toolkit for Web Services and XML data bindings for C & C++

    The gSOAP toolkit is an extensive suite of portable C and C++ software to develop XML Web services with powerful type-safe XML data bindings. Easy-to-use code-generator tools allow you to directly integrate XML data in C and C++. Serializes native application data in XML. Includes WSDL/XSD schema binding and auto-coding tools, stub/skeleton compiler, Web server integration with Apache module and IIS extension, high-performance XML processing with schema validation, fast MIME/MTOM streaming,...
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    Downloads: 452 This Week
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  • 14
    Major looseless compression algorithms library and documentation. First project: Arithmetic, Huffman, LZ77, LZ78, LZW, RLE. Second project reimplements Deflate. Documentation explains major Entropy Compression Methods.
    Downloads: 0 This Week
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  • 15
    ImageMagick

    ImageMagick

    Display, convert, and edit raster image and vector image files

    ImageMagick® is a free and open-source software suite for displaying, converting, and editing raster image and vector image files. It can read and write over 200 image file formats, and can support a wide range of image manipulation operations, such as resizing, cropping, and color correction. ImageMagick is written in C and is available for a wide range of operating systems, including Linux, macOS, and Windows. It can be used as a standalone application, or as a library that can...
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    Downloads: 102 This Week
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  • 16

    littleutils

    Various small and useful command-line utilities

    The littleutils include duplicate file finders (repeats, repeats.pl, repeats.py), image optimizers (opt-jpg, opt-png, opt-gif, recomp-jpg), file rename tools (lowercase, uppercase, pren), archive recompressors (to-gzip, to-bzip2, to-bzip3, to-7zip, to-lzma, to-lzip, to-xz), a tempfile utility (tempname), file property tools (filedate, filemode, filenode, fileown, filesize, and lrealpath), and others. See the README file for more details.
    Downloads: 8 This Week
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  • 17
    XSIBackup-App

    XSIBackup-App

    Backup and replicate Linux files, databases and ©VMWare ©ESXi VMs

    Free virtual appliance to backup and replicate Linux servers and ©VMWare ©ESXi virtual machines from version 5.1 to 8.0. https://33hops.com/xsibackup-app-detailed-installation-instructions.html ©XSIBackup-App connects to multiple Linux or ©ESXi servers and backs VMs & files up to, local disk, NFS, iSCSI, Samba, etc... or to any Linux or ©ESXi server over IP, it just needs the SSH port open. This appliance is based in CentOS 7 and has root access. You can install any available...
    Downloads: 7 This Week
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  • 18

    lrzip-next

    Next Version of Long Range Compression Program (lrzip)

    Long Range Zip. Updated and Enhanced version of ckolivas' lrzip project. Lots of new features. Better compression. Actively maintained. Download source in FILES. The code/whats-next folder contains new features or fixes in testing. The code/lrzip-fe folder contains a dialog-based front-end for lrzip-next. This is a placeholder project location. All development work is at Github.
    Downloads: 2 This Week
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  • 19
    Win32 and Win64 DLL to compress files in the standard Gzip format and also the new Gzip2, this format can compress files as large as 9.223.372.036 gigabytes and has also MD5 the integrity check, now also SHA512 too, now with support to multi-threads
    Downloads: 1 This Week
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  • 20
    rsptar_gzip

    rsptar_gzip

    TAR based DLL

    C code and DLL (with sample project) with library libarchive and GNU tar 1.34 to list, update, delete, extract and create latest GNU tar files uncompressed or compressed with gzip, gzip2, gzip2 multi-thread, bzip2, bzip3, bzip3 multi-thread, lzip, lzop, lzop2, lzop2 multi-thread, lz4, lz5 multi-thread, lzma, brotli, brotli2 multi-thread, Zstandard, xz , the old Unix compression utility 'compress' (.Z) , compress2 multi-thread (.Z2), zip, 7zip and many more formats with full Unicode support...
    Downloads: 2 This Week
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  • 21
    This program takes an ascii input text file and converts it to the pdf417 barcode. It supports text compression, numeric compression and byte compression. It currently produces postscript and pbm output for the barcode image. produces post
    Downloads: 0 This Week
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  • 22
    betaras
    Win32 and Win64 DLL to compress, uncompress, delete, test and list standard zip files, full Unicode support added at 06/November/2020, another option with more features about zip capabilities is the Parolin project at http://parolin.sourceforge.net/, if Winrar and 7zip compatability is important Parolin is a better option also statndard AES encryption is included
    Downloads: 0 This Week
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  • 23
    parolin

    parolin

    tar based win32/64 DLL

    ... without problems, it is almost as fast as tar, for the moment it can generate .val files in gzip, bzip2, bzip3, lz5, brotli2, lzop2, Zstandard, xz and LZMA, but more compression methods will be added like our DLL version of this console application, a lot need to be done yet
    Downloads: 0 This Week
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  • 24
    Lexical Analyzer Generator Quex

    Lexical Analyzer Generator Quex

    Generator of lexical analyzers in C and C++. Unicode Supported.

    The goal of this project is to provide a generator for lexical analyzers of maximum computational efficiency and maximum range of applications. This includes the support for Unicode (UTF8, UTF16, ...) and a large variety of other encodings directly and via nested converters such as ICU(tm) and IConv. Sophisticated buffer handling allows to operate on plain file streams, on sockets, or manually fed buffer content. 'Ready-to-build' examples explain related concepts and facilitate practical...
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    Downloads: 17 This Week
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  • 25
    NOTE: Moved to https://github.com/vapier/ncompress maintaining the public domain project ncompress
    Downloads: 19 This Week
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