Upscayl

Upscayl is an AI image upscaler that enhances images using artificial intelligence. It offers both a desktop application for Linux, MacOS, and Windows, and a cloud-based service. Upscayl allows users to upscale images up to 16x their original resolution, with various models available for different needs. It is free and open-source, providing a hassle-free and easy-to-use solution for improving image quality without watermark or paywall restrictions.