To convert an image file to the PNG format, you can use built-in system tools or various online converters. This process is typically used to preserve image quality (lossless) or to maintain a transparent background. Quick Online Conversion
A game developer downloads a sprite sheet (.png) from an asset store. The file loads slowly in Unity because of bad metadata. The developer re-saves the file using a basic image editor (PNG to PNG). Unity now reads the file instantly because the chunk order is properly structured. .png to png
Because PNG is a "lossless" format, you can re-process it to achieve smaller file sizes without deleting a single pixel of data. This process is known as Lossless Compression. To convert an image file to the PNG