Type the desired file name in the ‘File name’ space.Open the selected PNG file in the Microsoft Paint program.It’s usually used when someone needs to upload or download a large quantity of images. The JPG compression makes it a manageable size which also lowers the quality of images. The JPG image file is a widely-used file type because of its unusual small size. If a PNG is reverted to its original size the resolution remains the same. The PNG uses lossless compression, which lets large files shrink into smaller sizes without losing resolution. A raster file builds graphics piece-by-piece. The PNG image file is a Portable Network Graphic file which is a raster image. Fortunately the JPG is strong in these areas. However, when it comes to sharing images, building websites or downloading multiple files, the PNG is lacking. The PNG is a high quality image file with a lot of functionality.