Upscayl is a free and open-source image upscaler that uses AI to increase image resolution and enhance quality. It's available for Linux, macOS, and Windows. It leverages various AI models to achieve different upscaling results. The software is community-driven and constantly evolving. Upscayl provides a free alternative to commercial image upscaling solutions. It emphasizes accessibility and open-source development. It offers a user-friendly interface. It is suitable for both individuals and professionals.