Keyframe
I was trying to use the keyframe feature on iMovie but it wouldn't turn on. Can anyone help me??
MacBook Pro 13", macOS 10.13
Hi, rosiek4
You can add keyframes to adjust the volume of a clip or to animate the position of a picture in picture.
These links will explain the process for each:
Add keyframes to adjust the volume of a clip:
 https://help.apple.com/imovie/mac/10.1/#/mov3b5ded23e
 Add keyframes to animate the position of a picture in picture:
https://help.apple.com/imovie/mac/10.1/#/mova1aaa682b
-- Rich