How to change it
Click the Aspect Ratio button located under the preview box in the Editor Tool. Select the format you want from the dropdown.
βAvailable aspect ratios
16:9 Horizontal (YouTube, LinkedIn, X)
9:16 Vertical (YouTube Shorts, TikTok, Instagram Reels)
1:1 Square (Instagram Feed, LinkedIn)
4:5 Portrait (Instagram Feed)
Note: Changing the aspect ratio after generating your video may affect how clips are framed. Review your timeline after switching.

