A slow tracking shot follows a cyclist through a neon city, maintaining the same wardrobe, bicycle and lighting while rain and tire sounds remain synchronized.
Free Veo 3.1 prompt tool
Google Flow Prompt Generator
Create detailed video prompts for Google Flow and Veo 3.1 with camera movement, physical continuity, synchronized audio, optional dialogue and vertical or landscape composition.
Independent tool; not affiliated with Google, Flow, Gemini or DeepMind.
Scene + camera + motion
Aspect ratio + continuity
Audio + optional dialogue
Prompt, shot list or JSON
Aspect ratio + continuity
Audio + optional dialogue
Prompt, shot list or JSON
Create a Google Flow or Veo 3.1 prompt
Describe the scene once, then control the parts that most often determine video quality: shot structure, camera movement, continuity, aspect ratio and sound.
Your generated prompt
Free Google Flow prompt examples
A 9:16 macro product reveal with controlled reflections, a smooth push-in, crisp sound design and empty space for captions.
Two characters exchange one short line with natural timing, consistent faces, stable eyelines, room ambience and clear lip sync.
How to write better Veo 3.1 prompts
Describe visible action
State what changes during the shot instead of listing only objects and adjectives.
Name one camera move
A clear tracking shot or push-in is easier to follow than several conflicting movements.
Plan sound explicitly
Specify ambience, dialogue, music and key sound effects instead of assuming silent output.
Google Flow prompt FAQ
Is this generator free?
Yes. It generates prompts locally in your browser and requires no account.
Can I make vertical Flow prompts?
Yes. Select 9:16 vertical for Shorts, Reels and TikTok-style composition.
Can it generate structured JSON?
Yes. Choose Structured JSON to export the scene, camera, duration, aspect ratio, audio and continuity fields.
For reusable non-video prompts, try the AI Prompt Library Generator.