Identity Swap on Expression Grid (4x4) AI Image Prompt
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"generation_request": {
"meta_data": {
"task_type": "identity_swap_into_existing_expression_grid",
"language": "en",
"priority": "highest",
"version": "v1.0_KEEP_GRID_SWAP_IDENTITY_4X4"
},
"input": {
"mode": "image_to_image",
"reference_image_usage": "very_high",
"preserve_identity": true,
"preserve_facial_features": true,
"preserve_hairstyle": true,
"notes": "PRIMARY STRUCTURE ANCHOR: use the uploaded 4x4 expression grid image. Keep the exact grid layout, crop, panel framing, pose variety, hand positions, and background. PRIMARY IDENTITY ANCHOR: use the uploaded reference portrait of the target person. Replace the person in every panel with the reference identity while keeping each panel's expression and gesture. Maintain natural skin texture, realistic anatomy, correct hands."
},
"output": {
"aspect_ratio": "2:3",
"resolution": "ultra_high",
"num_images": 1,
"sharpness": "crisp",
"grain": "subtle_analog"
},
"style": {
"keep_original": true,
"background": "keep exactly the same as the grid image",
"lighting": "match the grid image lighting",
"color": "keep original (or convert to pure black and white if requested)",
"finish": "clean, realistic, no plastic skin"
},
"quality_control": {
"identity_lock": "strict",
"hands_priority": "very_high",
"avoid": [
"extra fingers",
"missing fingers",
"deformed hands",
"warped face",
"uneven eyes",
"melted mouth",
"text",
"watermark",
"logo"
]
},
"negative_prompt": [
"low resolution",
"blur",
"distorted anatomy",
"face mismatch",
"plastic skin",
"over-smoothing"
]
}
}A complex JSON prompt for image-to-image generation, specifically designed to perform an identity swap. It uses a reference identity to replace the person in an existing 4x4 expression grid image, strictly preserving the original grid layout, poses, expressions, and background, while ensuring realistic anatomy and high-quality rendering.
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.
This prompt is designed to work with a reference photo. Upload your own photo (only one you have the right to use) together with the prompt.
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.