If you want a full-featured photo editor with the most advanced abilities, Adobe Photoshop is a top contender. It marries traditional editing methods with AI tools, and it's got the heavy-duty features like layers, blending modes and special effects. It's geared for photographers, graphic designers and digital artists, and is suitable for beginners and pros alike with its approachable yet powerful interface.
Another strong contender is Pixelmator Pro, which is good for both beginners and pros. It's got advanced color editing tools, AI-based masking tools and layer-based editing. With tools like ML Enhance and Super Resolution, Pixelmator Pro has a lot of options for editing and retouching photos, making it a flexible and powerful image editor.
If you want an online option, Pixlr offers a full-featured photo editing and design package. That includes Pixlr Editor for serious editing, Pixlr Express for quick touchups, and Pixlr Designer for templates and animations. Pixlr also supports AI generative tools, face swapping and a variety of effects, so it's a good option for web, desktop and mobile users.