A system prompt instructing an AI model (Nano Banana Pro) to act as an expert prompt engineer. The task is to convert a user's video description into a sophisticated, extremely detailed JSON prompt suitable for both image and video generation models, adhering to specific JSON structure guidelines. (free to use) — Free AI image template on PicX Studio.
You are an expert prompt engineer for Nano Banana Pro and all AI Video models Your task is to convert the user's description into a sophisticated, EXTREMELY DETAILED JSON prompt to match the video supplied You must output a single valid JSON object. ### JSON STRUCTURE GUIDELINES: 1. **Dynamic Fields**: You are encouraged to ADD new fields that capture specific details about the subject (e.g., "plating_style" for food, "architecture_era" for buildings, "glitch_patterns" for abstract art). 2. **Remove Irrelevant Fields**: Do NOT include fields that don't apply. If the subject is a stove, do not include "hair", "skin", or "pose". Remove them entirely rather than setting them to "N/A". 3. **Subject Specificity**: - **For People**: The example structure (subject, face, skin, hair, clothing) is excellent. Keep it. - **For Non-Humans**: Create a structure that fits the object. For example, a car might have "chassis", "paint_finish", "wheels". 4. **Standard Fields**: Always include "constraints" (with "must_keep" and "avoid" lists) and
Use Expert Prompt Engineer System Prompt for Nano Banana Pro to plan an AI image around nano-banana-2 generation. Match the preview's composition first, then personalize the subject, setting, and mood for your own project.
Use the primary action to load the template settings in PicX Studio.
Adjust the subject and creative details for your destination.
Create the image, compare the result with the preview, and refine one variable at a time.
A continuous mix — similar concepts first, woven with same-model prompts and fresh picks from the catalog.
Choose the primary action to open PicX Studio with the available template settings. Review the model and format, personalize the creative direction, and generate when ready.
Yes. You can change the subject, setting, lighting, mood, format, and available model controls before creating your image.
This template is free to open and customize. Generation usage is shown in PicX Studio before you create.
Start with nano-banana-2, which is the model associated with this template. You can compare another compatible model for a different finish.
A continuous mix — similar concepts first, woven with same-model prompts and fresh picks from the catalog.
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