The full form of PNG is Portable Network Graphics. The bit-mapped or raster images are stored in the form of PNG extension on the computer. The extension of PNG is ‘.png.’ Sometimes, it is also referred as the images which are stored in GIF format. PNG images use less compressive techniques to save an image where the copyright issue is not needed. It consists of the Bitmap images of the extended colour. The PNG format of image of developed for the first time in 1995. It is capable of providing good quality images in low resolution.