Q:"How to change aspect ratio in iMovie on Mac?" - from Apple Community
The ratio of width and height is known as the aspect ratio of a video. Currently, the frequently used aspect ratios include 1:1, 4:3, 16:9, 16:10, 2:1, 2.35:1 and 2.39:1, Vertical video. By virtue of different requirements of different platforms or devices in aspect ratio, there are many times when you need to change aspect ratio of your video to fit the established specifications. On Mac, iMovie is a decent option for the adjustment of aspect ratio. If you have not mastered the operations, check the content below and you quickly get how to change video aspect ratio on iMovie.
Part 1. How Can iMovie Change Aspect Ratio on Mac
Step 1Open iMovie and add video
Step 2iMovie change aspect ratio
Step 3iMovie export video
Part 2. How to Change Aspect Ratio in iMovie Alternative
The optimal iMovie alternative - Joyoshare Video Cutter aimed at producing more options to change aspect ratio of a video is recommended here. This tool is named media cutter but actually developed as a piece of editing software for both Windows and Mac operating systems.
With a series of stunning editing features, it has the power to change video aspect ratio to 16:9, 4:3, Full Screen, Pan Screen, etc. with great flexibility, cut and split large video in lossless quality, crop/flip/rotate video, apply showy visual effects or sound effects, add logo, text, subtitles, background music, control volume, adjust brightness, and more.
Remarkable Features of Joyoshare Video Cutter
User-friendly interface and simplicity of operator
Change aspect ratio of videos without any hassle
Encoding mode to edit video and customize output parameters
High-speed mode to precisely cut and losslessly export video at 60X speed
Compatible with many video formats like MP4, MOV, WMV, AVI, MPEG, FLV, etc