Want to try it instantly? Load our ready-made synthetic video and replacement-person image below. No upload is needed.

This public demo contains entirely synthetic fictional people. You must still confirm permission before analysis.

Clip length
Longer clips use more ZeroGPU quota and take longer to process.

Upload a video and confirm permission to begin.

Upload 1–4 clear images. Put a front-facing full-body image first; side and back views improve consistency.

Complete steps 1 and 2 to enable generation.

Powered by SCAIL‑2, SAM 3, and YOLO26. ZeroGPU availability and queue time vary with demand.