Generate Region

Create a new 3-30 second video span between rendered timeline boundary frames.

Generate Region creates a new AI video segment inside a selected timeline span. It is designed for filling a deliberate gap or creating a fresh shot between boundary references, not for silently replacing source media.

Kepler renders the first and last frames of the selected span and keeps the edit safe by placing the generated result on a separate generated track. The original clips remain available for comparison.

Choose Kling v3 for 3-15 second generation with Negative Prompt, Prompt Strength, and optional visual Elements. Choose Seedance 2.5 for a 4-30 second continuous first-to-last shot with synchronized native audio, lip-synced dialogue support, Match Canvas resolution, and selectable output bitrate.

Strong prompts describe the whole span: subject motion, camera behavior, lighting, sound, and how the shot should arrive at the final boundary frame. Review the visible credit estimate before generation starts.