BEST Aspect Ratio for YouTube SHORTS – How to Change Aspect Ratio to 9:16 for Shorts | OBS | Editor Software

2024 guide to creating YouTube Shorts

Videos must be short in vertical orientation with a 9:16 aspect ratio and 1920 pixels by 1080 pixels resolution. You may use audio from YouTube's library or other videos for up to 60 seconds.

1080x1920 - Shorts

1920x1080 - youtube normal video 

Now adjust your red area where you want to record .