Help CenterAuto-Optimizing Thumbnails
Editor Tools
Auto-Optimizing Thumbnails
Let AI analyze and automatically improve your thumbnail — enhancing contrast, readability, composition, and mobile visibility with a single click.
Auto-Optimize analyzes your thumbnail and applies AI-powered improvements automatically. It's a one-click way to make any thumbnail more clickable.
How It Works
- Open a thumbnail in the Editor
- Look for the Auto-Optimize option in the editor tools
- Click to start the optimization
- The AI analyzes your thumbnail and applies improvements
What Gets Optimized
The AI looks at several factors that influence click-through rate:
Contrast and readability
- Enhances text contrast so it's readable at small sizes
- Adjusts foreground-background separation
- Improves visibility on both light and dark YouTube backgrounds
Color vibrancy
- Boosts colors that feel flat or muted
- Ensures the thumbnail pops in YouTube's feed
- Maintains natural-looking saturation (no over-processing)
Composition
- Checks element placement and balance
- Ensures key elements aren't in YouTube's UI overlay zones (timestamp, etc.)
- Optimizes for the 16:9 aspect ratio display
Mobile optimization
- Tests readability at small thumbnail sizes (120px wide)
- Ensures text and faces are visible on mobile screens
- Adjusts element sizing for small-screen clarity
When to Use Auto-Optimize
- After editing — run it as a final polish step
- On uploaded thumbnails — quickly improve thumbnails from other sources
- Before publishing — as a quick quality check
- When unsure — let the AI suggest what needs improving
Tips
- Auto-Optimize costs 1 credit per use
- You can undo the optimization if you prefer the original
- Combine with manual AI editing for the best results — auto-optimize handles the basics, then fine-tune specific elements
- Works especially well on thumbnails with text — the AI prioritizes text readability