iSize is an AI-powered tool that aims to bring efficient, intelligent, and sustainable solutions to video delivery. It offers substantial bitrate savings of up to 50% compared to leading encoders, resulting in higher quality video streaming at a reduced cost. The tool is codec and content independent, compatible with all MPEG and AOMedia standards. It also offers machine learning capabilities, allowing for real-time preprocessing on CPU-only hardware. iSize prioritizes energy efficiency, reducing the energy footprint of any video encoder while improving perceptual quality. Its deep neural network models can process any input content, making it suitable for a wide range of applications, from entertainment and gaming to surveillance footage. Overall, iSize provides a comprehensive solution for video delivery, combining superior quality, cost savings, and sustainability.