If you're looking for a ChatDesigner alternative, Enhance AI is a good option. Like ChatDesigner, it can convert text prompts into realistic images and apply custom styles to existing images. It also can upscale images and be used for commercial purposes, so it's useful for a broader range of professional tasks. The service has a clean interface and supports collaboration through a Discord channel.
Another option is AIEasyPic. It's good at generating professional-looking images from text prompts and has a lot of editing options. Among its abilities are background removal, face swap and generation of professional headshots, all useful for content creators and digital artists. AIEasyPic offers three tiers of service, with adjustable credit levels to make sure you're getting the best price for your money.
If you want to use a service that's designed for collaboration to generate and edit images, check out Facet. It lets you control image elements with spatial prompts and has real-time editing abilities. It's designed for creative professionals who want a balance between creative assistance and control. Facet is a browser-based service, so you don't have to install anything, and it offers several pricing tiers for different needs.
Last is Clipdrop, which has a simple interface and a range of features to make image editing tasks easier. It can remove backgrounds, upscale images, generate text-to-image renderings and more. Clipdrop is good for pros and amateurs, and it offers a free version with some limitations, so it's a good starting point or a cheap option for basic image editing.