PicPeek is a fast tool for visual image comparison and image health checking. Compare up to 9 images side-by-side, paste image URLs, or upload files to quickly spot visual differences. You can also check if an image URL is valid, accessible, and loading correctly. Image Health Check analyzes your image and gives a quick score based on resolution, format, and web optimization, with suggestions to improve performance and file size. Perfect for designers, developers, and anyone working with images.