ProRes 4444 is a high-quality video codec developed by Apple that supports high-resolution video and maintains excellent color fidelity. It is commonly used in professional video editing and post-production due to its ability to handle complex visual effects and color grading without significant loss of quality. This codec allows for 12-bit color depth and includes an alpha channel, which is useful for creating transparent backgrounds in video projects. ProRes 4444 is often favored for its balance between file size and image quality, making it suitable for both broadcast and cinematic productions.