JSON Prompt Template for Defining Canvas Size

A JSON template and an example prompt demonstrating how to specify resolution and aspect ratio (canvas size) for image generation in Nano Banana Pro to ensure consistent output dimensions.

Prompt

{
  "scene": "futuristic AI workspace with holographic screens showing code",
  "resolution": "4K",
  "aspect_ratio": "16:9",
  "style": "cinematic lighting, cyberpunk aesthetic, ultra-detailed"
}

How to use this prompt

Copy the prompt above and paste it into an AI image generator such as Google Gemini (Nano Banana) or a similar tool. Replace any bracketed placeholders with your own details, then generate and refine the result.

Prompt collection credit: YouMind Awesome Nano Banana Pro Prompts (CC BY 4.0). Credit to the original prompt creators. To request removal of a prompt or image, please contact us.