AI Video Extender
AI Video Extender
MP4/MOV · 2–30s · ≤200MB
4–30s
Describe what should happen in the extended portion. Direction is prepended automatically (Extend @video1 forward/backward).
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Up to 30 images
Extended Video
Upload a source video, choose direction and length, then click Extend Video
Extend Videos with AI
Continue the action before or after your clip — no timeline editing required
Forward or Backward
Forward continues after the last frame; backward invents what came before the first frame.
4–30s or Auto
Set total output length (must be longer than the source), or choose Auto to let the model decide.
Multimodal References
Optional: up to 30 images, extra reference videos (total with source ≤30s), and up to 10 audio clips.
Synced Audio
Optionally generate synchronized audio with the extended clip.