A/B Test YouTube Thumbnails
Before You Publish
Upload multiple thumbnail options, get predicted click-through rates via eye-tracking simulation, and validate winners with real audience samples — all before your video goes live.
No credit card required for trial · Cancel anytime
Upload Variants
Drop up to 4 thumbnail designs for any upcoming video.
AI Eye-Tracking
Computer vision models score contrast, focal points, and text legibility to predict CTR.
Real Audience Test
Serve each variant to a small controlled sample via YouTube API before full publish.
Simple Pricing
Everything you need to maximize CTR
- ✓Up to 4 thumbnail variants per video
- ✓AI eye-tracking CTR prediction
- ✓Heatmap visualization per thumbnail
- ✓Real audience A/B testing via YouTube API
- ✓Side-by-side performance dashboard
- ✓Unlimited video projects
7-day free trial · No credit card required
Frequently Asked Questions
How does the CTR prediction work?
We run your thumbnail through computer vision models that simulate human eye-tracking patterns, scoring contrast, focal points, and text legibility to predict click-through rate.
Do I need a large channel to use A/B testing?
You need at least 1,000 subscribers. Our YouTube API integration serves each thumbnail variant to a small controlled sample before you publish to your full audience.
How many thumbnails can I test at once?
Upload up to 4 thumbnail variants per video. Our dashboard shows heatmaps, predicted CTR scores, and real audience engagement data side by side.