BGChanger is an AI-powered browser studio for creating and transforming visual media. It removes or replaces video backgrounds while preserving original audio, and supports transparent or solid-color scenes. Prompt-guided editing can change environments, replace characters, insert products, and redesign shots. It also includes text-to-image, image editing, text-to-music, text-to-video, image-to-video, video upscaling, motion control, video face swap, and seamless video extension.