The AI Image Upscaler is an online tool designed to enhance the resolution of images and photos using advanced artificial intelligence technology. It allows users to upscale images without losing quality, supporting batch uploads of up to 500 images at once. The service is ideal for those needing to improve image quality for various applications, offering options for both web use and a dedicated Mac app. Additionally, users can access an API for seamless integration into their workflows, making it easier to enhance online content with high-resolution images.