BGChanger is a browser-based AI creative studio for changing video backgrounds and redesigning scenes. Remove a video background while preserving the original audio, then create transparent or solid-color results. Prompt-guided editing supports character replacement, scene changes, product insertion, style changes, and creative shot redesign. The workspace 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 for creators, marketers, and production teams.