Upscayl

Free and open-source AI image upscaler

Upscayl is a free, open-source AI image upscaler for Linux, macOS, and Windows that processes images entirely on your GPU without sending data to any server. It uses Real-ESRGAN models to upscale photos, illustrations, and digital art by 2x to 16x with impressive quality, making it the go-to privacy-friendly upscaler.