Gzip vs. UPX Comparison


Gzip GNU Operating System	UPX UPX Cybersecurity	+	+
Learn More Update Features	Learn More Update Features	Add To Compare	Add To Compare


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About GNU Gzip is a popular data compression program originally written by Jean-loup Gailly for the GNU project. Mark Adler wrote the decompression part. We developed this program as a replacement for compress because of the Unisys and IBM patents covering the LZW algorithm used by compress. These patents made it impossible for us to use compress, and we needed a replacement. The superior compression ratio of gzip is just a bonus. Stable source releases are available on the main GNU download server (HTTPS, HTTP, FTP) and its mirrors; please use a mirror if possible. gzip reduces the size of the named files using Lempel-Ziv coding (LZ77). Whenever possible, each file is replaced by one with the extension ‘.gz’, while keeping the same ownership modes, access, and modification times. (The default extension is ‘z’ for MSDOS, OS/2 FAT, and Atari.) If no files are specified, the standard input is compressed to the standard output.	About UPX (Ultimate Packer for eXecutables) is a high-performance executable compression tool designed to reduce the size of programs and libraries without affecting their functionality or performance. It works by compressing executable files such as EXE, DLL, and other formats across multiple operating systems, including Windows, Linux, and macOS, typically reducing file sizes by 50% to 70%, which helps decrease disk usage, download times, and network load. The compressed executables remain fully self-contained and run exactly as before, as it automatically decompress at runtime without requiring additional dependencies or noticeable memory overhead. UPX uses efficient lossless compression algorithms and supports in-place decompression, allowing programs to execute directly from memory while preserving speed and behavior. It is designed to be secure and transparent, as its open-source nature allows antivirus and security tools to inspect compressed files without obstruction.
Platforms Supported Windows Not Supported Mac Not Supported Linux Supported Cloud Not Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Not Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Professionals and individuals looking for a solution to compress and decompress their files	Audience Software developers and engineers who need to reduce executable file sizes for faster distribution and efficient storage without affecting performance
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Supported Online Supported
API Offers API Not Supported	API Offers API Not Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing Free Free Version Supported Free Trial Not Supported	Pricing No information available. Free Version Not Supported Free Trial Not Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software

Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Supported In Person Not Supported
Company Information GNU Operating System United States www.gnu.org/software/gzip/	Company Information UPX Cybersecurity Founded: 2006 United States www.upx.com
Alternatives WMaster ZipKing Master Science	Alternatives WMaster ZipKing Master Science
7-Zip	Gzip GNU Operating System
Express Zip NCH Software	Kingshiper File Manager Kingshiper
KingshiperZip Kingshiper Soft	RAR File Extractor
WinZip Alludo View All	Raven View All
Categories File Compression Supported	Categories Agentic Cybersecurity Supported AI Security Supported

Integrations 8 Zip Supported CrowdStrike Falcon Not Supported File Manager Pro Supported FileVoyager Supported Files&Folders Supported Metro Commander Supported MiXplorer Silver Supported OpenClaw Not Supported Resec Supported Unreal Commander Supported Unzip One Supported Xdebug Supported muCommander Supported Show More Integrations View All 11 Integrations	Integrations 8 Zip Not Supported CrowdStrike Falcon Supported File Manager Pro Not Supported FileVoyager Not Supported Files&Folders Not Supported Metro Commander Not Supported MiXplorer Silver Not Supported OpenClaw Supported Resec Not Supported Unreal Commander Not Supported Unzip One Not Supported Xdebug Not Supported muCommander Not Supported Show More Integrations View All 2 Integrations
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