New Thumbnail Test
Upload 2–3 thumbnail variations to compare. We'll score each and declare a winner.
📁
Drop thumbnails here or click to browse
Upload 2–3 thumbnails · JPG, PNG, WebP · Max 5MB each
Select your niche *
Video title (optional — improves title alignment score)
Powered by GPT-4o mini · Results in ~15 seconds
Scoring Signals
😮 Face & Emotion20%
📱 Mobile Readability15%
🎨 Color Contrast12%
✏️ Text Length12%
✨ Simplicity11%
🎯 Niche Color Fit10%
🔍 Curiosity Gap10%
🔗 Title Alignment8%
💼 Branding2%
Your Plan
Tips for Best Results
✓ Upload thumbnails at 1280×720px
✓ Include at least 2 variations
✓ Add your video title for better scoring
✓ Select your niche for accurate benchmarks