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Zlib 1.2.12

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license: Freeware
downloads: 3684
size: 1.53 MB
updated: 2022-03-27

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Jean-loup Gailly & Mark Adler
Zlib is designed to be a free, general-purpose, legally unencumbered -- that is, not covered by any patents -- lossless data-compression library for use on virtually any computer hardware and operating system. The zlib data format is itself portable across platforms. Unlike the LZW compression method used in Unix compress(1) and in the GIF image format, the compression method currently used in zlib essentially never expands the data. (LZW can double or triple the file size in extreme cases.) zlib's memory footprint is also independent of the input data and can be reduced, if necessary, at some cost in compression. A more precise, technical discussion of both points is available on another page.

Zlib was written by Jean-loup Gailly (compression) and Mark Adler (decompression). Jean-loup is also the primary author/maintainer of gzip(1), the author of the comp.compression FAQ list and the former maintainer of Info-ZIP's Zip; Mark is also the author of gzip's and UnZip's main decompression routines and was the original author of Zip. Not surprisingly, the compression algorithm used in zlib is essentially the same as that in gzip and Zip, namely, the `deflate' method that originated in PKWARE's PKZIP 2.x.

ZlibComponents & LibrariesWindows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64, Windows 11

User Rating: 2.7 (103 votes)

x64 compatible software
OS: Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64, Windows 11


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Zlib Reviews

Software: Zlib 1.2.11
Reviewed by: Kirk Bates (Mar 1, 2020)
Rating:
Review: It is source - but the zip contains the project files to build it - for example - for me using VS2019 - then the project in zlib1211.zipzlib-1.2.11contribvstudiovc14 loads and built the 64 bit dil without errors - and then the C library to link to can be changed to suit too.
Software: Zlib 1.2.8
Reviewed by: mike (Jan 22, 2016)
Rating:
Review: the same as at zlib.net. just sources, nothing more...
don't waste your time.
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