Created an AI image in ChatGPT but it came out the wrong shape? This tutorial shows you how to use Photoshop’s Generative Fill to expand those images to the exact aspect ratio you need—whether it’s for YouTube thumbnails, Instagram posts, or print layouts. We’ll take square or awkwardly cropped images and turn them into seamless widescreen or vertical formats using Adobe’s AI-powered tools. The images were generated in ChatGPT, but all the editing happens right in Photoshop.