Even within platforms, there are different format options, e.g., YouTube shorts vs videos, Instagram posts vs stories. YouTubeYouTube videos are in a 16×9 widescreen format, with YouTube shorts in a vertical 9×16 format. For assets that start as 16×9 widescreen videos, this generally means letterboxing them with supporting text. 9×16 vertical videos get automatically pillarboxed. Optimize video for different platforms and screensTo optimize video for different platforms and screen sizes, you must adapt each type of video differently to make them work within the platforms you haven’t shot explicitly for.