Portable Network Graphics facts for kids
|Portable Network Graphics|
A PNG image with an 8-bit transparency channel, overlaid onto a checkered background, typically used in graphics software to indicate transparency
|Uniform Type Identifier:||public.png|
|Magic:||89 50 4e 47 0d 0a 1a 0a|
|Developed by:||PNG Development Group (donated to W3C)|
|Type of format:||Lossless bitmap image format|
|Extended to:||APNG, JNG and MNG|
|Standard(s):||ISO/IEC 15948, IETF RFC 2083|
PNG supports palette-based images (with palettes of 24-bit RGB or 32-bit RGBA colors), grayscale images (with or without alpha channel for transparency), and full-color non-palette-based RGB or RGBA images. The PNG working group designed the format for transferring images on the Internet, not for professional-quality print graphics, and therefore it does not support non-RGB color spaces such as CMYK. A PNG file contains a single image in an extensible structure of "chunks", encoding the basic pixels and other information such as textual comments and integrity checks documented in RFC 2083.
PNG files nearly always use the file extension
png and are assigned MIME media type
image/png. PNG was published as informational RFC 2083 in March 1997 and as an ISO/IEC standard in 2004.
Images for kids
30px]] viewed with a hex editor
Portable Network Graphics Facts for Kids. Kiddle Encyclopedia.