PNG(5) File Formats Manual PNG(5) (NAME) png - (PNG) (DESCRIPTION) PNG ( Portable Network Graphics) () . PNG () GIF TIFF . () (Truecolor) (Alpha channel) . . PNG (Streamable) . PNG . PNG . (SEE ALSO) libpng(3), zlib(3), deflate(5) zlib(5) (PNG) ( ): W3C https://www.w3.org/TR/2025/REC-png-3-20250624 (PNG) ( ): ISO/IEC 15948:2004(E) https://www.iso.org/standard/29581.html W3C https://www.w3.org/TR/2003/REC-PNG-20031110 (PNG) .: PNG https://www.libpng.org/pub/png/spec/1.2 (PNG) .: PNG https://www.libpng.org/pub/png/spec/1.1 (PNG) .: IETF RFC 2083 https://www.ietf.org/rfc/rfc2083.txt W3C https://www.w3.org/TR/REC-png-961001 (AUTHORS) : Glenn Randers-Pehrson Cosmin Truta Chris Lilley. PNG ( ): Chris Blume . PNG ( ): David Duce . PNG .: Glenn Randers- Pehrson . PNG .: Glenn Randers- Pehrson . PNG .: Thomas Boutell . April 15, 2026 PNG(5)