How do I extend AI video length?
Resposta rápida
Use a dedicated AI video extender to continue the last frame of your clip, or generate overlapping segments with consistent prompts and blend them together for seamless longer content.
Cenário
Turning a 5-second AI-generated scene into a 30-second continuous shot for a product commercial or narrative short film.
Melhor modo
Workflow recomendado
AI Video Extender for Seamless Clip Continuation
Extend B-roll, product shots, or hero clips to meet platform duration requirements without reshooting.
Workflow recomendado
AI Video Extender for Seamless Clip Continuation
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Your clip ended too soon. HappyHorse Director mode extends videos by analyzing motion trajectories, scene context, and visual style — then generating a natural continuation that matches seamlessly.
Guia passo a passo
- 1
Generate your initial high-quality base clip at the maximum supported duration.
- 2
Use the video extension feature to continue from the last frame, providing a follow-up prompt that describes the next action or camera movement.
- 3
Review the extended segment for visual continuity including lighting, color grade, and subject consistency.
- 4
Repeat the extension process in increments, checking each join point for artifacts or style drift.
- 5
Apply a final color grade and audio layer across the full extended clip to unify the segments.
Template de prompt
Extend this video clip by 5 seconds. Continue the current camera motion and subject action smoothly. Maintain the same lighting, color palette, and visual style. Do not introduce new subjects.
Erros comuns para evitar
Attempting to extend by too many seconds at once, which causes the model to hallucinate new subjects or backgrounds
Changing the prompt dramatically between extensions, breaking visual continuity
Ignoring the transition frames where segments join, which often show subtle flickering
Not maintaining a consistent seed or style parameter across extension passes
Perguntas comuns
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