Free AI Thumbnail Tester
Get an instant AI-powered analysis of your YouTube thumbnail. Receive actionable feedback to improve your designs and boost click-through rates.
Upload your YouTube thumbnail to get an instant AI-powered test and analysis
Upload Your Thumbnail
Click anywhere in this area to select your YouTube thumbnail for analysis
For best results:
- Use the optimal YouTube thumbnail size: 1280x720 pixels (16:9 aspect ratio)
- Upload high-resolution images with file size under 2MB
- Make sure text is clearly visible and readable on mobile
- Include your actual thumbnail design, not just raw footage
- Add your video title for more targeted feedback
- Perfect for A/B testing different thumbnail variations
Why Use Our AI Thumbnail Tester?
Expert-Trained AI Analysis
Our AI was fine-tuned using insights from successful YouTubers, professional designers, and proven industry standards
A/B Testing & CTR Optimization
Perfect for testing multiple thumbnail variations and improving click-through rates
Visual Analysis
Comprehensive review of colors, contrast, and visual hierarchy
Actionable Feedback
Get specific steps you can take to improve your thumbnails
Boost Your Click-Through Rates
Get professional-level thumbnail analysis powered by AI. Our tool evaluates your thumbnails across multiple criteria and provides specific, actionable feedback to help you create more engaging content.
Comprehensive Analysis
Get detailed feedback on clarity, contrast, text readability, visual hierarchy, and emotional appeal.
Actionable Insights
Receive specific steps you can take to improve your thumbnails and increase viewer engagement.
Our AI evaluates these key thumbnail elements
- Image clarity and sharpness
- Color contrast and vibrancy
- Text readability and size
- Visual hierarchy and composition
- Emotional appeal and engagement
- Mobile viewing optimization
- YouTube thumbnail size compliance (1280x720)
- A/B testing recommendations