

Then, hit the overlay button and select the green screen effect to insert the image that you wanted to add as a backdrop. Once done, utilize the editing panels by dragging and dropping media files on the storyboard. If the frame below the playhead isn’t representative of the rest of the clip, reposition the playhead and reapply the effect. Select the files that you want to edit and hit the Import button to do so. The color that iMovie removes is based on the dominant color in the frame at the position of the playhead when you choose Green/Blue Screen from the pop-up menu. Because the clips are connected, the two clips move together if you rearrange clips in the timeline. In the viewer, iMovie removes the green or blue from the green-screen clip to reveal the background clip behind your subject. If the video overlay controls aren’t shown, click the Video Overlay Settings button above the viewer, then choose Green/Blue Screen from the pop-up menu.Because the clips are connected, the two clips move together when you rearrange clips in the timeline. Trim and move the background video clip to match the length of your green-screen clip.Add the green-screen clip above the background clip in the timeline.

Click the eyedropper tool and click on the green screen.

Remove the green screen Select the video on the timeline and toggle on the ‘Chroma Key’ option. You can also drag and drop it into the editor.
