Another option is Recraft, which lets you create and edit digital illustrations, art and 3D graphics in a consistent brand style. It's got tools for image stylization, color manipulation and text-to-image generation, so you can easily create a stylized set of images from a single upload. Recraft also has an AI upscaler for higher resolution images and a community inspiration section where you can find ideas.
If you want a more full-featured image editing tool, check out Adobe Photoshop. The venerable software has long been the industry standard for traditional photo editing, but now Generative AI tools are built in, too, so it's useful for pros and amateurs. Photoshop has tools like background removal, compositing images and instant editing, and it's got a lot of power for creating pro-level images.
Last, Canva is a free online graphic design tool that's good for creating professional-looking designs without having to be a pro. It's got AI-powered photo editing, real-time collaboration and a range of templates and other features. Canva also has tools for on-brand content creation, so it's a good option for individuals and teams that want to create and share professional designs with ease.