VideoPainter is a deep learning-based video repair and editing tool that uses a pre-trained diffusion transformer model, combined with a lightweight background context encoder and ID resampling technology, to achieve high-quality video repair and editing. The importance of this technology lies in its breakthrough of the limitations of traditional video repair methods in length and complexity, providing video creators with an efficient and flexible tool. The product is currently in the research phase, the price is not yet determined, and it mainly targets professional users and researchers in the video editing field.