Upload two images to spot pixel-level differences, with Highlight, Slider, Fade and Blend comparison modes plus a similarity score.
Upload your original and revised image. In Highlight mode the changed pixels are painted in your chosen colour, with a similarity score summarising how close the two images are.
Switch modes to see the comparison differently: Slider drags a divider across the two images, Fade cross-fades between them, and Blend subtracts one from the other so identical pixels go black and any change lights up. Details compares dimensions, file size and EXIF metadata side by side.