Thumbnail Mode
Optimized settings and workflows for creating YouTube thumbnails. Includes aspect ratio presets, text overlay guidance, and best practices for click-worthy thumbnails.

Tutorial
What Thumbnail Mode Is
Thumbnail Mode is like having an expert thumbnail designer built into your image generation. When enabled, it:
Understands your goals - Analyzes what kind of thumbnail you want
Applies best practices - Uses proven techniques that work for YouTube
Optimizes automatically - Enhances your prompt with thumbnail-specific guidance
Uses proven styles - Optionally references successful thumbnail examples
Creates variations - Generates 2-4 different approaches for A/B testing
In simple terms: It makes your thumbnails better without you having to know all the technical details.
How It Works
When you enable Thumbnail Mode, the system goes through these steps before generating your image:
Step 1: Understanding Your Request
What you see:
"Understanding your thumbnail goals..."
"Analyzing your images and prompt..."
What's happening:
System figures out what niche you're targeting (gaming, tech, finance, etc.)
Identifies the tone you want (excited, curious, professional, etc.)
Understands what elements should be in the thumbnail
Suggests the best thumbnail style for your content
Step 2: Finding Best Practices
What you see:
"Searching best practices..."
"Querying thumbnail knowledge..."
What's happening:
System looks up proven thumbnail techniques
Finds successful thumbnail styles for your niche
Gets design rules that work
Optionally selects reference thumbnails to inspire the style (if "On with Blueprints" is enabled)
Step 3: Optimizing Your Prompt
What you see:
"Optimizing your prompt..."
"Compiling insights into optimized instructions..."
What's happening:
Your prompt gets enhanced with thumbnail best practices
System adds guidance for high click-through rates
If generating multiple thumbnails, creates unique variations
Prepares everything for generation
Step 4: Generating Your Thumbnail
What you see:
Standard image generation progress
Your thumbnail(s) appear when ready
What's happening:
System generates your optimized thumbnail
Applies thumbnail-specific quality requirements
If multiple thumbnails requested, generates all variations
Thumbnail Mode Options
Off (Default)
What it does:
Standard image generation
No thumbnail optimization
Just creates what you ask for
Use when:
Creating regular images (not thumbnails)
You want standard generation
You don't need thumbnail optimization

On
What it does:
✅ Runs full thumbnail optimization
✅ Applies thumbnail best practices
✅ Uses proven techniques for your niche
✅ Optimizes prompts for better results
❌ Does NOT attach reference images
Use when:
Creating thumbnails
Want automatic optimization
Don't need visual style references
Want faster generation
Best for:
Quick thumbnail creation
When you have a clear idea
Testing different concepts
On with Blueprints

What it does:
✅ Everything from "On" mode
✅ PLUS attaches 1-4 reference thumbnail images
✅ Uses proven high-performing thumbnails as style inspiration
✅ Combines your idea with successful layouts
Use when:
Want style inspiration from proven thumbnails
Need help with composition
Want to match successful thumbnail styles
Creating professional thumbnails
Best for:
Professional thumbnail creation
When you want proven layouts
Matching successful styles
Maximum optimization

Multi-Thumbnail Generation Mode
When you request multiple thumbnails (2-4), Thumbnail Mode creates different optimized variations of the same concept. Each one uses a different approach, style, and strategy.

How It Works
Smart selection - System picks relevant thumbnail styles for your prompt
Unique variations - Each thumbnail gets its own optimized approach
Visual differences - Different poses, colors, layouts, backgrounds
Text variations - Different text/CTA approaches (questions, statements, numbers, etc.)
All at once - All variations generate simultaneously
What Makes Each Variation Different
Variation 1:
Style: Reaction Face approach
Pose: Confident standing
Colors: Professional blue tones
Background: Clean gradient studio
Text: Direct statement
Variation 2:
Style: Versus/Comparison approach
Pose: Power stance
Colors: Vibrant warm tones
Background: Dynamic burst effect
Text: Curiosity gap hook
Variation 3:
Style: Hero Object focus
Pose: Thoughtful lean
Colors: Cool mysterious tones
Background: Minimal dark
Text: Question hook
Variation 4:
Style: Before/After approach
Pose: Presenting gesture
Colors: High contrast
Background: Clean solid color
Text: Number list hook
Requesting Multiple Thumbnails
Method 1: Quantity selector
Enable Thumbnail Mode
Use quantity selector (if available)
Select 2, 3, or 4 thumbnails
Generate
Method 2: Natural language
"Create 3 thumbnail variations"
"Generate 4 different thumbnails"
"A/B test thumbnails"
Method 3: Explicit request
"Create multiple thumbnails with different approaches"
How to Edit a Thumbnail

After generating a thumbnail, you can edit it using standard image editing:
Basic Modifications
Re-attach the thumbnail - Drag the generated thumbnail back into the composer
Turn Thumbnail Mode OFF - Disable thumbnail mode in settings
Make your edits - Describe the changes you want
Generate - Creates the edited version
Why turn Thumbnail Mode off:
Thumbnail Mode optimizes for creating NEW thumbnails
For edits, you want standard image-to-image behavior
Avoids re-applying thumbnail optimization to an existing thumbnail
Example Workflow
Generate thumbnail with Thumbnail Mode ON
Review the thumbnail
Re-attach thumbnail to composer
Turn Thumbnail Mode OFF
Type: "Change the text to 'New Title'"
Generate edited version
Advanced Edits with Canvas Editor
Generate thumbnail
Click "Edit" on thumbnail
Use Canvas Editor tools
Make precise edits (remove objects, add elements, modify colors)
Apply changes
Thumbnail Mode can stay ON (combines with Canvas)
Supported Models
Only specific models support Thumbnail Mode. These models have the advanced optimization enabled:
Nano Banana Pro
✅ Primary
✅ Up to 14 images
Most versatile
Flux 2 Max
✅ Enabled
✅ Up to 3 images
High quality, crisp text
GPT Image 1.5
✅ Enabled
✅ Up to 3 images
High quality, creative output
Models that DON'T support Thumbnail Mode:
Z-Image Turbo
Seadream v4
Troubleshooting
"Thumbnail Mode not available"
Solutions:
Check you're using a supported model
Ensure Generate Media is enabled
Some models don't support Thumbnail Mode
Switch to a supported model
"Blueprints not attaching"
Solutions:
Ensure "On with Blueprints" is selected (not just "On")
Check reference library is available
System automatically selects references based on your prompt
References are optional - "On" mode works without them
"Variations look too similar"
Solutions:
Request more variations (3-4 instead of 2)
Be more specific about wanting different approaches
System creates variations automatically
Each should have different style/approach
"How to edit a thumbnail"
Solutions:
Re-attach the generated thumbnail
Turn Thumbnail Mode OFF
Describe your changes
Or use Canvas Editor for precise edits
Next: Learn about Video Editing Tools for modifying videos.
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