You can do much more with paint.net than with Paint. You can add layers, adjust colors or remove certain areas of the image ...

This means a PNG can be compressed to a smaller file size without losing any of the detail in the image. This makes PNG a good option for saving graphics – such as logos, shapes, screenshots ...

Here's what you need to know. PNG, short for Portable Network Graphics, is a high-quality graphic file format that you can view in almost any graphic program, image viewer, or web browser.