Universal Device Preview: A Unity editor tool designed to help developers test and visualize their games and applications across multiple device resolutions and aspect ratios. Includes real-time preview for smartphones, tablets, and desktops, with customizable scaling, safe zones, and resolution presets. Fully optimized for performance and easy integration into existing projects. Universal Device Preview provides developers with a ready-to-use toolkit to ensure consistent UI layout, gameplay experience, and visual fidelity across all target devices, reducing testing time and improving cross-platform quality assurance.