If you want to try your hand at anime-style art without a lot of experience, PixAI is a good place to start. This AI art generator comes with a range of tools and character templates to help you, regardless of skill level, create anime art. The service is free to use, so it's a good way to experiment with the creative potential of AI art generation.
Another good option is Anime AI, which lets you generate anime-style images based on photos you upload. With a range of styles to choose from, including One Piece and Naruto, Anime AI uses large AI models to generate detailed and often unusual images. It's good for anime fans who want custom avatars or images but don't have the technical expertise.
If you like to chat with AI using text prompts, niji・journey is different. The tool lets you generate high-quality anime images based on text prompts you define, and it's got upscaling and variation tools to tweak the results. You can chat with the AI using a Discord server, which makes it a great option if you like the human-in-the-loop approach.
Last, Anime Art Studio is a collection of tools for generating anime images, voices, videos and animations. With more than 100 stable diffusion models and a range of generation tools, the web-based service can generate high-quality results and do so quickly. It's free to use, with no sign-up or payment required. It's good for people who want a lot of creative options without a lot of hassle.