Seedance 2.5 Intl Video Extend 1080p
seedance-2.5-intl-video-extend-1080p extends short clips into polished 1080p video.
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seedance-2.5-intl-video-extend-1080p is designed to intelligently extend existing video clips, filling in natural motion and maintaining visual consistency at full HD resolution. It is ideal for content creators, marketers, and editors who need to turn short B-roll or social media clips into longer, broadcast-ready segments. Unlike simple looping or padding, this model generates original frames that blend seamlessly with the source, preserving style, lighting, and pacing.
Use it when you have a great 3-second clip but need 15 seconds of footage, or when you want to extend a video without visible repetition. It excels at maintaining continuity in interviews, product shots, and cinematic sequences, making it a powerful tool for post-production workflows.
- extending social media clips
- creating longer B-roll footage
- filling gaps in video timelines
- enhancing short product demos
- stretching interview snippets
Generates original frames that blend naturally with the source clip.
Delivers crisp 1080p video suitable for professional use.
Maintains lighting, color grading, and motion style from the input.
- Start with a clip that has clear motion direction
- Avoid clips with text overlays or logos for cleaner extension
- Use higher quality source footage for better output fidelity
- Keep extensions under 30 seconds for optimal performance
- Requires a minimum 2-second input clip for best results
- May struggle with abrupt scene changes or fast camera cuts
- Extended outputs can occasionally drift in lighting consistency
Extend a 2-second clip of a car turning a corner into a 20-second driving sequence, maintaining the golden hour lighting and smooth tire grip on asphalt.
Take this 3-second shot of a chef flipping a pancake and stretch it into a 12-second sequence, keeping the sizzling sound implied and the motion fluid.
Extend a 4-second burst of dancers at a music festival into a 25-second energetic sequence, preserving the vibrant costumes and rhythmic movement.
Randomness control; same seed gives consistent results
Number of generation iterations; higher = more detail
How long the extended video will be, in seconds
Creative randomness; lower = more conservative extension
Width-to-height ratio of the output video
How closely the output follows the input style
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What is the minimum input length?
The model works best with clips at least 2 seconds long.
Can it extend audio as well?
No, it only processes video; audio must be added separately.
Does it work with animated content?
Yes, it can extend animated clips, though results vary by style.