Derrick Downey Jr has spent years building a following of over a million people on both Instagram and TikTok by documenting the squirrels that visit his Los Angeles patio, Maxine, Richard, and the occasional drop-in from a character he calls Hoodrat Raymond.

What he did not plan to do was become a solo app developer. That changed when he tried to launch a YouTube series and ran headfirst into a problem that no existing tool solved cleanly.

Creators producing content for both short-form vertical platforms and horizontal YouTube face an uncomfortable choice: buy a second device and rig, or accept the resolution loss that comes from cropping a vertical frame out of footage already........

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