Edit clips in Clips - Apple Support

In the Clips app, refine your video by splitting, trimming, and muting clips.

How to Use Apple's Clips App

Edit Cinematic mode videos on your iPhone - Apple Support (ME)

Apple - Support - iMovie - Hot Tips

View photos and videos in Photos on iPhone - Apple Support

Edit photos and videos on iPhone - Apple Support

Select part of a clip in iMovie on Mac - Apple Support

iMovie User Guide for Mac - Apple Support

Take great photos and videos - Apple Support

Apple's Clips app does not work on 32-bit devices

Apple Clips App Now Available, Here's How To Use Clips To Edit Creative Videos