H.264/AVC is a video compression standard widely used for recording, compressing, and distributing high-definition video. It efficiently reduces file sizes while maintaining good video quality, making it ideal for streaming services, Blu-ray discs, and video conferencing. Developed by the ITU-T Video Coding Experts Group and the ISO/IEC Moving Picture Experts Group, H.264/AVC supports various resolutions and bit rates. Its versatility allows it to be used in a range of applications, from online video platforms to broadcast television, ensuring compatibility across different devices and networks.