Can I use iMovie to edit a .mov file without altering the aspect ratio?
Open the video file in Quicktime player and then go edit > Trim or command + T and you can trim the video in the editor.
Save the video and you're good to go.
Open the video file in Quicktime player and then go edit > Trim or command + T and you can trim the video in the editor.
Save the video and you're good to go.