PNG, short for Portable Network Graphics, is a popular and high-quality graphic file format. The PNG format is lossless and supports transparency.

How to Open a PNG File The default photo viewer program in Windows opens PNG files, but there are many other ways to view one.

You can open PNG files with a variety of programs. For example, with the Windows Photo Viewer or with the Windows Paint program, but also with image editing programs such as Paint.net, Gimp, or ...