Start with the moments that tell the story
Bring the original landscape or square footage and the key subject. Pick the takes that make the subject clear, including a strong opening and a complete ending. These choices give Shorty a useful starting point for the edit.
Give Shorty the creative direction
Build a 9:16 version with readable text and contained framing where the full scene matters.
Try a 20-second 9:16 edit as a starting point. Include the exact title or closing message you want on screen. Add a reference when you want to show the pace, captions or mood.
Try this editing prompt
Create a 20-second 9:16 video from my the original landscape or square footage and the key subject. Build a 9:16 version with readable text and contained framing where the full scene matters. Use my supplied wording for titles. Check the top and bottom space used by the Story interface.
Make the next version more specific
Check the top and bottom space used by the Story interface.
Play the first cut and pick the change that would help the story most. Name the moment, describe the result you want and tell Shorty what to keep. A note such as “hold the final product shot longer” gives the revision a clear direction.