PNG Full Form is Portable Network Graphics. It is pronounced as ‘ping’. It refers to the file format used for image compression. It is similar to GIF or Graphics Interchange Format, which is popular in today’s world. PNG is said to soon replace GIF. PNG is license free and patent-free and was developed by an Internet committee.. Recent editions of Microsoft IE and Netscape Navigator support PNG, as it has various additional features than GIF.
PNG is said to offer the most effective format of lossless image compression of image files. These files are identified with their extensions that say ‘.png’. Some of the special features of PNG format include: (1). It is possible to control the level of transparency or opacity (2). It supports interlacing of images (3). Png is faster (4). It lets the user tune images for brightness, color, and other display features (5). It also allows user to save images using the ‘true color’ format and in ‘gray-scale’ and ‘palette’ formats.