Difference between revisions of "Portable Network Graphics"
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* [[Computer graphics]] | * [[Computer graphics]] | ||
| + | * [[GIF]] | ||
| + | * [[Graphics software]] | ||
* [[Image file format]] | * [[Image file format]] | ||
| + | * [[JPEG]] | ||
* [[Lossless data compression]] | * [[Lossless data compression]] | ||
Revision as of 12:14, 9 February 2016
Portable Network Graphics (PNG) is a raster image file format that supports lossless data compression.
Description
PNG was created as an improved, non-patented replacement for Graphics Interchange Format (GIF), and is the most used lossless image compression format on the Internet.
PNG supports palette-based images (with palettes of 24-bit RGB or 32-bit RGBA colors), grayscale images (with or without alpha channel), and full-color non-palette-based RGB[A] images (with or without alpha channel).
PNG was designed for transferring images on the Internet, not for professional-quality print graphics, and therefore does not support non-RGB color spaces such as CMYK.
PNG files nearly always use file extension PNG or png and are assigned MIME media type image/png.
See also
Exterior Links
- Portable Network Graphics @ Wikipedia
