Chroma Key Press the “Overlay” icon and select the “Video” option
(check the FAQ link in description if you don’t have it) Add your “green screen” video to the timeline. You can resize, reposition and rotate your Chroma Key video. To remove the background of you Chroma Key video, click the ”Edit” icon and choose “Chroma Key”. Press the “Color Picker” to choose the color you wish to remove. Press it again when you’re done. Adjust the strength of the color removal using the Color Range slider. Use the DeNoise slider to remove noise from the video. Press the “Play” button to preview.