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DEFLATE codec library / From Wikipedia, the free encyclopedia

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zlib (/ˈzlɪb/ or "zeta-lib", /ˈztəˌlɪb/)[1][2] is a software library used for data compression as well as a data format.[3] zlib was written by Jean-loup Gailly and Mark Adler and is an abstraction of the DEFLATE compression algorithm used in their gzip file compression program. zlib is also a crucial component of many software platforms, including Linux, macOS, and iOS. It has also been used in gaming consoles such as the PlayStation 4, PlayStation 3, Wii U, Wii, Xbox One and Xbox 360.

Quick facts: Initial release, Stable release, Repository, ...
Initial release1 May 1995 (1995-05-01)
Stable release
1.3 / 18 August 2023; 33 days ago (2023-08-18)
Written inC
Operating systemCross-platform
TypeData compression
Licensezlib License

The first public version of Zlib, 0.9, was released on 1 May 1995 and was originally intended for use with the libpng image library. It is free software, distributed under the zlib License.