Capabilities/Fitness ad extension

Fitness ad extension

Video Extension

Extend video by 6s, electric guitar music kicks in, 'JUST DO IT' ad text appears in center then fades out...

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Extend videos with follow-up shots generated from the ending of an existing clip. How it works: the model reads the last frames of your video — analyzing motion trajectory, visual context, and scene composition — then generates a follow-up segment that picks up seamlessly from where the clip ended. Your text prompt guides what happens next while the model handles visual and temporal continuity. When to use this: a product demo clip that ends too soon and needs 5 more seconds to show the full sequence; a teaching video where the experiment runs longer than the original recording; a social-media clip that needs to hit a platform's minimum duration; any case where reshooting is impractical or expensive but the existing footage needs to be longer. Tips and practical notes: keep extension prompts consistent with the original clip's mood, lighting, and action. If you extend multiple times in sequence, check for gradual drift — re-anchoring from the original clip rather than from a previously extended segment helps maintain quality. The model handles both AI-generated and live-action source footage, though live-action with very complex real-world physics (splashing water, crowd movement) may need more specific prompting.

If a clip feels too short, the model can analyze its ending and generate a follow-up shot from your prompt so the sequence continues more naturally. Multiple extensions can be tested from the same footage instead of rebuilding the clip from scratch.

Video Extension

Fitness ad extension

Seedance 2.0 analyzes your clip's ending and generates a seamless continuation — works on AI-generated and live-action footage. See workflow, tips, and an EdTech case study.

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