A 4x upscale image agent is designed to enhance the resolution and quality of digital images. This agent works by taking an existing image and increasing its size by four times while aiming to maintain or improve the clarity, detail, and overall quality of the image. The process typically involves advanced algorithms and artificial intelligence techniques to fill in the additional pixels required for the upscale. This ensures that the upscaled image does not lose detail or become blurry, which is a common challenge with traditional resizing methods.