What Is Crop Image? A crop image tool does two important things: it trims away unwanted parts of your photo, and it can remove backgrounds to isolate your subject. When you crop an image, you are cutting off the outer edges—removing parts you don't want to keep. Think of it like using scissors on a physical photograph. You decide which portion of the image to keep, and everything outside that area gets thrown away. The second function, background removal, uses artificial intelligence to separate your main subject (a person, product, or object) from everything behind it. The result is your subject on a transparent background, which you can then place on any new background you choose. These are two different processes, but many modern tools combine them because they solve similar problems: helping you focus on what matters in your image. Cropping changes the composition and dimensions of your entire photo by discarding outer pixels. Background removal identifies your subject and ma...