iMovie You can extract any video frame in a project or an Event and use it as a still image in a project.
When you extract a frame from video in your project, it’s added as a four-second freeze-frame clip at the location where you extracted it, so that it looks as if time has stopped in your video.
When you extract a frame from video in an Event, it’s added to the end of the project that’s currently open as a standard still frame with the Ken Burns effect, so that the camera seems to sweep across the picture.
To extract a freeze frame from a project:
In the Project browser, move the playhead (the red vertical line) over the frame you want to freeze, and then hold down the Control key as you click.
In the menu that appears, choose Add Freeze Frame.
A four-second freeze-frame clip is inserted at the playhead. You can drag it to a new location in the project and change its duration. To remove it from your project, select it and then press Delete.
To add a still frame from an Event:
Move the playhead (the red vertical line) over a frame in the Event browser, and then hold down the Control key as you click.
In the menu that appears, choose “Add Still Frame to Project.”
A four-second still-frame clip, with the Ken Burns effect applied to it, is added to the end of the project that’s open in the Project browser. You can drag it to a new location in the project and change its duration. To remove it from your project, select it and then press Delete.
To move a freeze-frame or a still-frame clip:
Drag the image to a new location in the Project browser. If you drag it over a video clip, iMovie adds the image before or after that clip, where the vertical green line appears.
After you’ve added a still frame or a freeze frame to your project, you can change its duration. You can also edit it just as you would any photo or still image, by cropping it, adding or adjusting the Ken Burns motion effect, and adding special effects.