Make your own
reaction character.
One line in. A chroma-green reaction asset out. No prompt engineering, no photo uploads, no face data.
The name is engraved on the certificate. The signature is a detail that must appear in the picture — it is what makes the piece unmistakably yours, so no one else's copy can stand in for it.
chroma #00B140
1:1
key-ready
Invite a friend
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When someone signs up from a different connection, you both get one extra render.
PREVIEW · WATERMARKED
Just sealed
See all →01
Type one line
Describe the character and what it's doing. That's the whole input.
02
We compile it
Your line gets wrapped in a production prompt with the constraints that actually matter — flat chroma, cut-out edges, no text.
03
Key it and post
Drop the green screen into any editor, or use the keyed version straight away.