Visual JSON Prompt Builder
Build cinematic, multi-shot prompts with a timeline, beats, cameras, lighting, and keyframes. Export JSON for Flux/Veo and optionally stitch clips in-browser.
Timeline & beats
Time-stamped directions with a mini ruler and duration lock.
Time-stamped directions with a mini ruler and duration lock.
Keyframes
Set a start frame per scene (double-click on a box).
Set a start frame per scene (double-click on a box).
Camera & lighting
Angles, movement, lenses, effects, and lighting presets.
Angles, movement, lenses, effects, and lighting presets.
Export JSON
Copy or download .json for Flux/Veo (24fps optimized).
Copy or download .json for Flux/Veo (24fps optimized).
Stitch plan
Helper exports for concatenating >8s with FFmpeg.
Helper exports for concatenating >8s with FFmpeg.