Portable Network Graphics PNG transparency demonstration 1.png A PNG image with an 8-bit transparency channel, overlaid onto a checkered background, typically used in graphics software to indicate transparency Filename extension .png Internet media type image/png Type code PNGf PNG Uniform Type Identifier (UTI) public.png Magic number 89 50 4e 47 0d 0a 1a 0a Developed by PNG Development Group (donated to W3C) Initial release 1 October 1996; 21 years ago Type of format Lossless bitmap image format Extended to APNG, JNG and MNG Standard ISO/IEC 15948,[1] IETF RFC 2083 Open format? Yes Portable Network Graphics (PNG, pronounced /ˌpiːɛnˈdʒiː/[2] PEE-en-JEE or /pɪŋ/[3][4] PING) is a raster graphics file format that supports lossless data compression. PNG was created as an improved, non-patented replacement for Graphics Interchange Format (GIF), and is the most widely used lossless image compression format on the Internet.[citation needed]

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