| name | nano-banana-prompts |
| description | Generate optimized prompts for Gemini 2.5 Flash Image (Nano Banana). Use when user wants to create images with Gemini, needs help crafting image prompts, or requests "nano banana" style prompts. Applies proven best practices for natural language descriptions, photography, art styles, and multi-turn editing workflows. |
Nano Banana Image Prompt Generator
Generate high-quality prompts for Gemini 2.5 Flash Image using proven best practices from October 2025.
Core Principle
Describe scenes naturally, don't list keywords.
❌ woman, business suit, office, professional
✅ A professional businesswoman in navy suit stands confidently in modern glass-walled office overlooking city skyline. Warm afternoon light streams through windows.
Prompt Structure
Basic Template
A [SHOT TYPE] of [SUBJECT] [ACTION] in [ENVIRONMENT].
[LIGHTING] creates [MOOD]. [CAMERA/STYLE DETAILS]. [ASPECT RATIO].
Components
- Subject & Action - Who/what and what they're doing
- Setting - Where the scene takes place
- Lighting - Natural/artificial light sources and quality
- Mood - Emotional tone or atmosphere
- Technical Details - Camera, lens, style specifics
- Format - Aspect ratio or dimensions
Prompt Length
- Short (10-20 words): Quick generation, minimal control
- Medium (50-100 words): ⭐ RECOMMENDED - balanced control
- Long (100-200 words): Maximum control for complex scenes
Photography Prompts
Template
Photorealistic [SHOT TYPE] of [SUBJECT], [ACTION], in [ENVIRONMENT].
Illuminated by [LIGHTING], creating [MOOD]. Captured with [CAMERA/LENS],
emphasizing [DETAILS]. [ASPECT RATIO] format.
Camera Control
Lenses:
- 35mm, 50mm (standard)
- 85mm portrait (close-ups)
- 10-24mm wide (landscapes)
- 60-105mm macro (details)
Lighting:
- Golden hour (warm, soft)
- Blue hour (cool, atmospheric)
- Three-point (studio)
- Dramatic side (high contrast)
- Rembrandt (classic portrait)
Settings:
- Shallow DOF: f/1.4-2.8 (blurred background)
- Deep focus: f/11-22 (everything sharp)
- Motion blur for action
Example
Professional corporate headshot of mid-30s woman with shoulder-length brown hair
in charcoal blazer. She's smiling warmly at camera against soft gray backdrop.
Shot with 85mm f/2.0, studio three-point lighting creates gentle shadows defining
facial features. Ultra-high resolution, LinkedIn-ready quality. 1:1 format.
Art & Illustration Prompts
Template
[STYLE] illustration of [SUBJECT] [ACTION/POSE]. [COMPOSITION] with
[COLOR PALETTE]. [TECHNIQUE/MEDIUM]. Inspired by [REFERENCE],
emphasizing [QUALITIES].
Common Styles
- Watercolor painting
- Digital art
- Oil painting
- Pencil sketch
- Ink drawing
- Anime/manga
- Pixel art
- Minimalist vector
Example
Watercolor illustration of young girl reading book under oak tree. Seated
cross-legged in sun-dappled clearing with wildflowers. Soft, loose brushstrokes
with pastel color palette of greens, yellows, pinks. Transparent washes create
dreamy, ethereal quality. Inspired by children's book illustration, emphasizing
wonder and tranquility. 4:5 portrait format.
Text Rendering
Best Practices:
- Keep under 25 characters total
- Maximum 2-3 phrases
- Specify font style (bold, script, sans-serif)
- Put exact text in quotes
- Describe position explicitly
Example:
Movie poster with bold red text "SUMMER" at top and "Adventure Awaits"
in white script font at bottom. Ocean sunset background. Cinematic style.
Multi-Turn Editing Workflow
Nano Banana excels at conversational editing. Make one change at a time.
Example sequence:
- "Create professional headshot of woman in business attire"
- "Change background to modern office"
- "Make her wearing glasses"
- "Add warmer lighting"
Product Photography
Template
High-resolution product photo of [PRODUCT] on [SURFACE]. [LIGHTING]
to [PURPOSE]. Camera angle: [TYPE] to showcase [FEATURE]. Ultra-realistic,
sharp focus on [DETAIL]. [ASPECT RATIO].
Example
High-resolution product photo of stainless steel smartwatch on white marble
surface. Soft diffused studio lighting from 45-degree angle to minimize
reflections and show screen clearly. Camera angle: slight overhead to showcase
circular face and metal band texture. Ultra-realistic, sharp focus on watch
face display. 1:1 format for e-commerce.
Landscape Photography
Template
[TYPE] landscape of [LOCATION] at [TIME]. [WEATHER/ATMOSPHERE].
[FOREGROUND ELEMENTS]. Shot with [LENS] from [VANTAGE POINT].
[COMPOSITION]. Professional landscape photography with [GRADING]. [MOOD].
Example
Dramatic landscape of mountain lake at golden hour. Wispy clouds catch
warm orange light over snow-capped peaks. Weathered dock extends into
mirror-still water as foreground. Shot with 16mm wide-angle from low
lakeside vantage. Rule-of-thirds composition places horizon in upper third.
Professional landscape photography with warm color grading. Serene yet majestic.
Abstract Art
Template
[MOVEMENT] abstract exploring [CONCEPT]. [COMPOSITION] with [COLORS/TEXTURES].
[MEDIUM] emphasizing [GOALS]. [CONTEXT].
Example
Bold geometric abstract exploring tension and harmony. Overlapping angular
shapes with vibrant primary colors against deep black. Digital art emphasizing
sharp edges and color interaction. Large-scale wall art format, 16:9.
Common Pitfalls
Avoid:
- Keyword lists without context
- Vague descriptions
- Conflicting style instructions
- Overly complex text rendering
- Too many simultaneous changes in edits
Instead:
- Use complete sentences
- Be specific about details
- Maintain style consistency
- Keep text simple
- Edit iteratively
Style References
When requesting specific artistic styles, reference:
- Art movements (impressionism, art deco)
- Artists (in style of Van Gogh's brushwork)
- Media (watercolor, oil painting, digital art)
- Eras (1950s photography, modern minimalist)
Aspect Ratios
- 1:1 - Square (social media, profile pics)
- 16:9 - Landscape (presentations, headers)
- 9:16 - Portrait (mobile, stories)
- 4:5 - Portrait (Instagram posts)
- 2:3 - Classic portrait
- 3:2 - Standard photo
Quick Prompt Checklist
✅ Subject clearly described
✅ Action or pose specified
✅ Environment/setting detailed
✅ Lighting source and quality
✅ Mood or atmosphere
✅ Style or technical specs
✅ Aspect ratio chosen
✅ Complete sentences, not keywords
