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JSON Prompt Generator for Veo 3

Go from a simple idea to a professional, structured JSON prompt for Google's Veo 3. Generate a basic and a hyper-detailed cinematic version.

The Director's Chair: Why JSON is a Game-Changer for AI Video

With groundbreaking text-to-video models like Google's Veo 3, the quality of your output is directly proportional to the quality of your input. A simple text prompt is like giving a vague suggestion to an actor. A structured JSON prompt, however, is like handing a complete script and shot list to a film crew. It provides unambiguous, machine-readable instructions that give you unparalleled control over every frame. Our JSON prompt generator for Veo 3 is designed to be your virtual scriptwriter, transforming your creative vision into a director's blueprint.

From Idea to Hyper-Realistic Scene

This tool doesn't just create one prompt; it gives you two powerful versions. The "Basic JSON Prompt" provides a clean, well-structured foundation. The "Upgraded JSON Prompt" is where the magic happens. It injects a level of detail previously only possible for professional prompt engineers, specifying everything from camera models and lens types to atmospheric lighting and complex sound design. This is how you get from a simple idea to a hyper-realistic, cinematic shot.

Key Concepts in Our JSON Prompts for Veo 3

  • Camera Simulation (`CAM_SIM`): We specify professional cinema cameras (e.g., "ARRI ALEXA 35") and lenses ("Cooke Anamorphic/i") to guide the AI's understanding of visual texture, depth of field, and color science.
  • Fidelity Boosters (`FIDELITY_BOOST`): These are meta-tokens like `REALISM_TOKENS` and `CINEMA_TONE` that instruct the model to access its highest-quality rendering capabilities, focusing on realistic textures and lighting.
  • Detailed Audio Design: Sound is half the picture. Our upgraded JSON prompt templates include specific keys for dialogue, sound effects (`sfx`), and musical score, creating a complete audiovisual experience.
  • Cinematic Language: We use industry terms for camera movement ("slow dolly push-in"), composition, and lighting to ensure the output feels intentional and professional, not random and computer-generated.

Frequently Asked Questions (FAQ)