Instagram JSON Image Templates
Created for Nano Banana pro, these editable JSON prompt templates can create incredible Instagram images with text in a variety of different styles.
Use This When
Creative production, ads, social content, mockups, visual testing.
Inputs Needed
Subject, style reference, composition, aspect ratio, brand colors, lighting, camera/lens, negative prompts.
Expected Output
Production-ready image prompt with subject, style, composition, lighting, camera, environment, aspect ratio, negative prompts.
The Workflow Prompt
You are a AI image prompt director and commercial art director.
Objective:
Instagram JSON Image Templates
Context:
Created for Nano Banana pro, these editable JSON prompt templates can create incredible Instagram images with text in a variety of different styles.
Original task:
Find an image style you like below and copy the prompt. Paste into Google Gemini and select 'Create Image' to enable Nano Banana Pro. Paste in the prompt, and change the text and image descriptions found in the top "user prompt" section. /* Full-bleed wrapper */ .super-embed { width: 100vw; /* span the full viewport width */ margin-left: calc(50% - 50vw); /* cancel out Webflow container centering */ height: 100vh; /* take up full screen height */ overflow: hidden; } .super-embed iframe { width
Inputs I may provide:
Subject, style reference, composition, aspect ratio, brand colors, lighting, camera/lens, negative prompts.
Operating instructions:
- First, restate the objective in one clear sentence.
- If critical information is missing, ask up to 5 focused questions. If there is enough information to proceed, make practical assumptions and label them.
- Use a Exact Spec response style.
- Be specific to the business, audience, channel, and constraints provided.
- Avoid generic AI advice. Give concrete recommendations, examples, templates, copy, or steps I can use.
- When current facts, competitors, laws, prices, policies, or market claims matter, use current research and cite sources.
- Do not expose hidden chain-of-thought. Provide a concise rationale or decision summary instead.
- End with a short QA checklist that helps me verify the output.
Required output:
Production-ready image prompt with subject, style, composition, lighting, camera, environment, aspect ratio, negative prompts.
Caution:
Avoid over-polished AI visuals; specify real-world camera logic, imperfections, brand constraints, and negative prompts.
QA Follow-Up Checklist
After the AI returns its output, verify against:
- Output is specific to the provided business/context.
- Assumptions are clearly labeled.
- No unsupported claims without source checks.
- Next actions are clear and usable.
- Prompt includes camera/composition, motion, lighting, aspect ratio, and negative prompts.
Follow-Up Prompt
Now turn the result for 'Instagram JSON Image Templates' into a client-ready version: tighten wording, remove fluff, add missing assumptions, and provide the next 3 actions.
Avoid / Cautions
Avoid over-polished AI visuals; specify real-world camera logic, imperfections, brand constraints, and negative prompts.
How Different Verticals Use This Workflow
Restaurant & Hospitality
A natural wine bar in Brooklyn fills the template with subject 'a dewy glass of orange wine on bar top,' Aesop-meets-Apartamento style reference, hex codes #2A1A0F and #E8DFD0, shot-on-Portra-400 lighting, and headline 'Tuesday is for skin contact.' Output: three 4:5 grid images for Instagram in 11 minutes, ready for a 14-post weekly content cadence without a photographer.
Retail & E-commerce
A DTC ceramics brand fills the template with subject 'matte black mug on linen-draped surface,' Kinfolk magazine style reference, hex #0A0A0A and #C8B89A, north-light window, 50mm lens at f/2.8. Output: 12 PDP-grade images for their new mug collection without booking a $1,800 product photography day. Used for both Instagram and Shopify product gallery.
Professional Services & B2B
A B2B SaaS founder fills the template with subject 'minimal data dashboard mockup floating on gradient,' Stripe-Press-meets-Linear style reference, hex #5051F9 and #FAFAFA, soft studio lighting, and headline 'Your CAC is lying to you.' Output: three carousel covers for a Twitter thread repurposed to LinkedIn, generating 41 demo requests over 30 days.
Beauty & Personal Care
A clean skincare brand fills the template with subject 'amber serum bottle with morning condensation,' Glossier-meets-Le Labo style reference, hex #C97B5E and #F4EFE6, soft east-facing window light at 7am, 85mm lens. Output: 8 launch images for a new hyaluronic serum that match their existing Instagram grid pixel-for-pixel, shipping launch on time without rescheduling a photographer.
Local & Trade Services
A high-end residential painter in Toronto fills the template with subject 'before-and-after of a hand-painted kitchen cabinet,' Architectural Digest style, hex #1B1B1B and #F0EBDC, late-afternoon golden light, and headline 'No sanding marks. Ever.' Output: 4 before-and-after Instagram posts that consistently outperform his iPhone photos, lifting his consult inquiries 3x in 60 days.
Frequently Asked
What inputs actually move the needle for a usable Nano Banana JSON template?
Three specific things: a named visual style reference (not 'modern' — 'Aesop product photography circa 2022'), exact hex codes for brand colors, and a real subject line with character count enforced. Generic JSON templates produce generic outputs. The model needs constraints it can lock onto. Without the style reference, it defaults to a Pinterest-average aesthetic that screams AI. Without the hex codes, your brand teal becomes a teal-ish blue every fifth generation.
Should I use Gemini 3.1 Flash Image Preview or Canva AI for actual production?
Gemini 3.1 Flash for the generation, Canva for the final caption and CTA overlay. Gemini handles complex JSON prompts and gets text rendering right about 80% of the time, which is industry-leading right now. Canva's AI image generation is weaker but its template system is faster for batch resizing to 1:1, 4:5, and 9:16. Don't try to do both in one tool. Generate in Gemini, finish in Canva.
How do I stop the output from looking like every other Instagram AI graphic?
Add negative prompts that ban the AI defaults: no 3D gradients, no glow effects, no centered floating subject, no glossy bokeh background. Force a real-world camera in the JSON ('shot on 35mm Portra 400, natural daylight from window left'). The reason 90% of AI Instagram images look identical is everyone uses the default lighting and composition the model defaults to. Specify camera, lens, and lighting source and you'll get something usable.
What does a great Instagram JSON template output actually look like?
A nested JSON with subject, style, composition, typography (font family + weight + size), color palette as hex codes, lighting, camera/lens, environment, negative prompts, and aspect ratio. The text field gets character-count enforced ('headline max 24 characters'). The template should produce three variations from one prompt with one variable changed each time, so you can A/B test in the same session instead of regenerating from scratch. Single-output templates waste the format's strength.