Unscreen

Unscreen removes video backgrounds automatically. Unscreen is an online AI video background remover: you upload a clip and it cuts out the background, so you don't need a greenscreen or any chroma keying.

Record wherever you happen to be and let the software deal with the rest.

There is a free version, and a paid plan called Unscreen Pro.

Pro adds full HD resolution, removes the watermark, supports full-length clips, and lets you download video files.

It also brings audio support, plugins and API access, which matters if you want to plug background removal into your own app or workflow.

Developers get that API route only on the paid side.

If you just need to try it on a short clip, the free tier is the place to start, though expect the limits that Pro lifts.