Nano Banana Pro

Nano Banana Pro Master Prompt Template (JSON)

The complete JSON template for Nano Banana Pro, designed to combine all technical and creative controls (scene, camera, lighting, color grading, text, references, characters) for generating perfect images.

Prompt text

Original English text. Replace placeholders with your own details.

{
 "generation_mode": "thinking|standard",

 "output_specifications": {
 "resolution": "1K|2K|4K",
 "aspect_ratio": "16:9|1:1|9:16|custom",
 "quality_priority": "speed|balanced|quality"
 },

 "scene_description": {
 "primary_subject": "{argument name="primary subject" default="[main focus of image]"}",
 "environment": "{argument name="environment" default="[setting and background]"}",
 "atmosphere": "[mood and feeling]",
 "style": "[visual aesthetic]",
 "time_of_day": "[if relevant]"
 },

 "camera_controls": {
 "angle": "[camera perspective]",
 "focal_length": "[lens type - wide/standard/telephoto]",
 "depth_of_field": "[shallow/deep, what's in focus]",
 "composition": "[rule of thirds/centered/golden ratio/etc]"
 },

 "lighting_setup": {
 "primary_light": {
 "type": "[natural/studio/dramatic/soft]",
 "direction": "[where light comes from]",
 "intensity": "[bright/moderate/moody]"
 },
 "shadows": "[deep/subtle/minimal]",
 "color_temperature": "[warm/cool/neutral]",
 "special_effects": "[rim light/backlighting/etc if needed]"
 },

 "color_grading": {
 "overall_tone": "[vibrant/muted/monochrome/etc]",
 "color_palette": ["primary color", "secondary color", "accent color"],
 "mood": "[emotional impact of colors]"
 },

 "text_elements": [
 {
 "text_content": "[exact text to render]",
 "position": "[location in image]",
 "font_style": "[typography description]",
 "size": "[relative size]",
 "color": "[text color]",
 "effects": "[glow/shadow/3D/etc]",
 "language": "[if not English]"
 }
 ],

 "reference_images": [
 {
 "image_id": 1,
 "purpose": "style reference|composition reference|color reference|character reference",
 "extract_elements": ["specific elements to copy"],
 "apply_to": "[where to use these elements]",
 "transfer_intensity": "[0-100%]"
 }
 ],

 "characters": [
 {
 "character_id": 1,
 "detailed_description": "[ethnicity, age, gender, facial features, hair, expression]",
 "clothing": "[detailed outfit description]",
 "pose": "[body position and gesture]",
 "position_in_scene": "[spatial placement]",
 "consistency_reference": "[image_id if maintaining across multiple generations]"
 }
 ],

 "grounding": {
 "enabled": true|false,
 "search_queries": ["facts to verify"],
 "data_requirements": ["specific information needed"],
 "accuracy_priority": "high|medium"
 },

 "style_constraints": {
 "artistic_style": "[photorealistic/illustration/3D render/watercolor/etc]",
 "inspiration": "[specific artists or movements if relevant]",
 "must_avoid": ["elements to exclude"]
 },

 "technical_requirements": {
 "intended_use": "[social media/print/web/presentation]",
 "safe_zones": "[areas to keep clear fo"
 }
}

Source & attribution

Ryan Hart · Awesome Nano Banana Pro Prompts

Source-listed license: CC-BY-4.0. Prompt text is preserved; titles and previews may be shortened for display. Source examples are not NexGateHub test results.

View original source ↗ · Source credits & licenses

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