The AI image enlarger is an online tool that uses artificial intelligence technology to increase the resolution and enhance the quality of images without compromising on the image quality by upscaling them up to 800%. It can handle various image formats and has a simple and secure process for downloading your final image. The tool also includes other features such as upscaling custom algorithms, anime upscaler, background remover, face retouch, and denoiser. The tool is available on multiple platforms, including Windows, Mac, iOS, and Android, and has both free and paid subscription plans.