Every image carries metadata—extra data like camera settings, timestamps, or software info—that you don't actually see. A PNG-to-PNG conversion using tools like ShortPixel or ImageOptim can strip this hidden data, making your images lean and web-ready without touching a single pixel of the actual graphic. 3. Enhancing Low-Quality Assets
A raw PNG from Photoshop is often huge. Converting it through an optimizer keeps it crisp but slashes the file size. Compatibility: png to png better