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WinGZip - Freeware file compression utility for WindowsWinGZip - v1.0.0 (Freeware!)
Freeware file compression utility for Windows 95/98/Me/NT/2000/XP/2003


WinGZip is an small freeware utility for working with files produced by gzip utility (usually it's files with .gz or .tgz extension) and also create such files. Main features include the compressing, decompressing and testing the integrity of gzip files.

The gzip (GNU zip) is an command line driven compression utility with excellent compression, free from patented algorithms and currently very popular on the Internet. gzip is not archiving utility, i.e. its can't roll up several files together. It simply compress the specified file.

The format of the .gz files generated by gzip and their compression alogrithm (deflate) is described in RFCs (Request For Comments) 1951 and 1952. More information about gzip, you can find on it homepage at

System requirements

  • any system running Windows 95/98/ME/NT4/2000 or Windows XP.
  • less than 0.6 Megabytes of free space on hard disk.


wingzip.exe - 285Kb self-extracted EXE-file


WinGZip is very simple utility and, for this reason, does not demand any installation utility. Simply unzip all files to any folder and run the executable file (usually, "wingzip.exe").


After starting the program, on the screen should appear the main program window with tree pages: "Compress", "Decompress" and "Test". For performance of any operation, switch onto appropriate page, by clicking on its header or by pressing a combination of Ctrl+Tab keys. Click on the copyright notice at right bottom corner of window for visit the program homepage.

Decompression page Compression page Integrity testing page

Command line parameters

Currently, WinGZip don't support any command line parameters except the name of file to processing. If you prefer to work with command line, you always can use the original GZIP utility :).

Changes history

  • v1.0.0 - first public release.

Copyrights and licenses

Copyright © 2002 Irnis Haliullin <>

All copyrights to WinGZip are exclusively owned by the author - Irnis Haliullin.

Permission to use, copy, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. This software is provided "as is" without express or implied warranty.


WinGZip uses the ZLib library written by Jean-loup Gailly and Mark Adler.


If you have any questions or suggestions about WinGZip, please contact by mail to or using feedback form at

Dec 18, 2002. 5 rating at Jul 5, 2003. Listed at

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© Last modified: Last modified:    December 05, 2004 

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