Reframing 16:9 to vertical without cropping heads off

Reframing 16:9 to vertical without cropping heads off
A repeatable downscale process. Worth a look:
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Auto-reframe-then-correct workflow, never trust the first pass — via Premiere Pro docs [tutorial]
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Nose-room checklist so talking heads keep look-space when they turn — via Parker Walbeck [tutorial]
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Keyframe-the-pan trick to follow action the auto-tool drops — via Justin Odisho [tutorial]
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Free 9:16 safe-zone overlay marking caption + UI dead space — via Jannik Obenhoff [free]
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Two-shot split-stack layout for when both subjects must stay — via Motion Array template [plugin]
Reframe on the edit's longest clips first; they show the cropping worst.