High Quality Content by WIKIPEDIA articles! libpng is the official Portable Network Graphics (PNG) reference library (originally called pnglib). It is a platform-independent library that contains C functions for handling PNG images. It supports almost all PNG features, is extensible, and has been extensively tested for over 14 years. libpng is dependent on zlib. Libpng is released under the libpng license, a permissive free software licence, and is free software.

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