Portable Network Graphics Format
. You may change an output image quality as well. Portable Network Graphics PNG specifies a datastream and an associated file format for a lossless portable compressed individual computer graphics image transmitted across the internet.
Portable network graphics PNG refers to a raster graphics image format used on websites and Web applications. It could also be used by other indexers to extract data for indexing. Non-proprietary open standard from W3C.
When images are downloading then they are saved mostly in JPEG or PNG formats.
JPEG and PNG are the two most commonly used image file formats on the web but there are differences. Portable Network Graphics PNG specifies a datastream and an associated file format for a lossless portable compressed individual computer graphics image transmitted across the internet. It is a type of open and bitmapped graphical file format that is built on the concept of lossless data compression. PNG supports palette-based images with palettes of 24-bit RGB Red Green Blue or 32-bit RGBA Red Green Blue Alpha colors grayscale images with or without alpha.
