Stop Guessing,
Start Clicking.
BetterThumb parses 1,000+ viral patterns to give your thumbnail a 'Pre-flight Check'. Increase your CTR by up to 45% in seconds.
Three Steps to Viral Thumbnails
Upload Your Thumbnail
Drag and drop your YouTube thumbnail image. We support JPG and PNG formats up to 10MB.
AI Analyzes Patterns
Our Vision AI compares your design against 1,000+ viral patterns, checking text readability, color contrast, and mobile visibility.
Get Actionable Insights
Receive a detailed score and specific recommendations to optimize your thumbnail for maximum clicks.
Everything You Need to Dominate YouTube
Vision AI Analysis
Advanced AI trained on millions of thumbnails to detect what makes viewers click.
Mobile Preview
See exactly how your thumbnail appears on mobile feeds where 70% of views happen.
Dead Zone Detection
Automatically warns you about text or faces in the timestamp overlay area.
Blur Test
Simulates how your thumbnail looks at a glance - the first impression matters.
Multi-language Support
Get AI feedback in your preferred language for actionable local insights.
Instant Results
Analysis completes in seconds, not minutes. Test multiple variations quickly.
See what YouTubers are saying about BetterThumb
"BetterThumb helped me increase my CTR from 4.2% to 7.8% in just two weeks. The AI feedback is incredibly accurate!"
"I used to guess what thumbnails would work. Now I have data-driven insights before every upload. Game changer."
"The mobile preview feature alone is worth it. I never realized how bad my text looked on small screens until BetterThumb showed me."
Everything you need to know about BetterThumb