AI-Image-Agent lets you type a description or upload up to five reference pictures and get new images back in a short time. You can pick from a list of image models, including Flux, Seedream and Google Nano Banana variants, and there is a helper that improves your prompt before generating.
Output can be set to standard, high or ultra resolution, up to 4K. It runs in the browser, so there is nothing to install, which makes it handy for quick visuals for posts, thumbnails or concept art.