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Gemini Image (Nano Banana) Prompt Generator for YouTube & Content Creators
Describe your youtube & content creators task in plain words and get an engineered Gemini Image (Nano Banana) prompt — a natural-language scene description. Switch to any of 32 AIs to see the same request rewritten for that model. Free, private and instant.
Gemini Image (Nano Banana) prompt generator
Gemini Image (Nano Banana) · natural
Create an image of a surprised creator holding a tiny camera, set in a simple, bold background. Style: high-contrast, expressive YouTube thumbnail photo. Lighting: dramatic key light with a colourful rim light. Composition: subject's face on the right third, big empty space on the left for text. Mood: exciting and curious. Details: yellow and blue colour scheme, slight motion blur in the background. It will be used for the thumbnail of a tech review video, so use a 16:9 aspect ratio. Avoid: text, clutter, low contrast.
524 chars · ~131 tokens
Open Gemini Image (Nano Banana)
- ›Describe the scene conversationally — Gemini can keep editing the image across turns.
- ›Upload a reference photo to keep a product or person consistent.
- ›State the aspect ratio explicitly.
How the Gemini Image (Nano Banana) prompt is structured
Gemini Image (Nano Banana) understands full sentences, so the prompt reads like a photographer's brief: subject, setting, lighting, composition, mood and where the image will be used.
Every prompt is built from the same modular parts — role, task, context (your audience and details) and output format — then rendered in the style each AI follows best. Change the AI in the drop-down and the same request is rewritten instantly.
Gemini Image (Nano Banana) prompting tips
- Describe the scene conversationally — Gemini can keep editing the image across turns.
- Upload a reference photo to keep a product or person consistent.
- State the aspect ratio explicitly.
YouTube & Content Creators prompt types
Choose a prompt type for youtube & content creators; each comes with an expert role, context rules and an output format:
- YouTube thumbnail — for example “a surprised creator holding a tiny camera”.
- Channel banner — for example “mountains, a camper van and a winding road for a travel-vlog channel”.
Example output for Gemini Image (Nano Banana):
Create an image of a surprised creator holding a tiny camera, set in a simple, bold background. Style: high-contrast, expressive YouTube thumbnail photo. Lighting: dramatic key light with a colourful rim light. Composition: subject's face on the right third, big empty space on the left for text. Mood: exciting and curious. Details: yellow and blue colour scheme, slight motion blur in the background. It will be used for the thumbnail of a tech review video, so use a 16:9 aspect ratio. Avoid: text, clutter, low contrast.
AI image tools compared
| AI | Made by | Prompt style |
|---|---|---|
| Gemini Image (Nano Banana) | a natural-language scene description | |
| Midjourney | Midjourney | comma-separated descriptors plus Midjourney parameters (--ar, --s, --no) |
| ChatGPT Images | OpenAI | a natural-language scene description |
| Stable Diffusion | Stability AI | weighted tags, a negative prompt and suggested sampler settings |
| FLUX | Black Forest Labs | a natural-language scene description |
| Ideogram | Ideogram | a description with quoted text, style and aspect-ratio settings |
| Leonardo AI | Leonardo.Ai | a natural-language scene description |
| Adobe Firefly | Adobe | a natural-language scene description |
Frequently asked questions
What is a Gemini Image (Nano Banana) prompt generator?
It turns a plain-language request into a structured prompt — role, task, context and output format — written the way Gemini Image (Nano Banana) follows best, so you get better answers on the first try.
Does this tool send my text to Gemini Image (Nano Banana)?
No. The prompt is assembled in your browser from templates. Nothing you type is sent to any server or AI until you paste it yourself.
Why does the prompt change when I switch AI?
Models are trained on different conventions: Claude responds well to XML tags, Gemini to Persona/Task/Context/Format, Midjourney to descriptors and --parameters, Suno to style tags and a lyric sheet. The generator rewrites the same request for each.
What if I leave a field empty?
The example shown in grey is used instead, so the prompt is always complete. Replace it with your own details for the best results.
Can I use these prompts for other youtube & content creators tasks?
Yes. Pick the closest prompt type and describe your own task — the youtube & content creators expertise in the role and context still applies.
Is the prompt generator free?
Yes — free, unlimited and no account needed.