Short vertical videos look casual, but the ones that perform well are rarely accidental. Most follow a structure that fits a lot into very little time. If you make content for a small business, a side project or your own social accounts, learning that structure is the fastest way to stop guessing. Here is a second-by-second blueprint for a 30-second vertical video, plus the technical settings that keep it looking sharp.

0–2 seconds: The hook

Viewers decide almost instantly whether to keep watching. The opening frame must give them a reason to stay. Strong hooks include:

A result first. Show the finished cake, the clean room, the final edit, then explain how.

A bold line of text. "Nobody tells you this about moving abroad."

Motion. Something already happening, not a slow fade in.

Avoid logos, intros and "Hey guys" at the start. Put your branding at the end, if anywhere.

2–8 seconds: The setup

Tell viewers what they are about to get. One sentence, one or two shots.…