Portable Network Graphics (PNG) Specification (Third Edition) by Mark Adler and others (2025)

By Mark Adler, Thomas Boutell, Christian Brunschen, Adam M. Costello, Lee Daniel Crocker, Andreas Dilger, Oliver Fromme, Jean-loup Gailly, Phil Harvey, Chris Herborth, Alex Jakulin, Neal Kettler, Tom Lane, Alexander Lehmann, Chris Lilley, Dave Martindale, Owen Mortensen, Stuart Parmenter, Keith S. Pickens, Robert P. Poole, Glenn Randers-Pehrson, Greg Roelofs, Willem van Schaik, Guy Schalnat, Paul Schmidt, Andrew Smith, Michael Stokes, Vladimir Vukicevic, Tim Wegner, Jeremy Wohl.

Publisher: World Wide Web Consortium (W3C).

Online text: www.w3.org/TR/2025/REC-png-3-20250624/#10Compression

Cited passages: PNG Specification, Third Edition, sections 10.1 and 10.2: zlib wrapper and filtered image data; W3C, PNG Specification, Third Edition (2025), section 10, Compression; W3C, PNG Specification, Third Edition, section 10.1, compression method 0.