1. Upload Audio: Select an MP3 or WAV file to generate the visualizer from.
2. Customize: Choose a visualization style, adjust sensitivity, and pick colors. Use Green (#00FF00) or Blue (#0000FF) background for standard Chroma Keying.
3. Record: Click 'Record' to start. The audio will play and the visualizer will be captured in real-time. Click 'Stop' (same button) to finish and download the WebM file.
4. Edit: Import the WebM into your video editor (Premiere, Resolve, etc.) and apply the "Ultra Key" or "Chroma Key" effect to remove the background.