Stop Guessing Your CTR. Audit Thumbnails with AI
Upload a thumbnail and get an instant, AI-powered read on focal clarity, color and contrast, redundancy, and the exact fixes that lift your click-through rate — before you ever hit publish.
⚡ Powered by Gemini Vision & GPT-4o • 5 Free Credits on Signup • No Credit Card Required
How it works
Drop your thumbnail
16:9 PNG or JPG — drag and drop or browse.
Get instant AI diagnostic scores
Focal clarity, color & contrast, redundancy, and CTR readiness.
Fix contrast & layout before publishing
Apply the prioritized top fixes and re-check.
Built for serious YouTube creators
Run diagnostic checks, test native UI masks, and benchmark against competitors.
Visual AI Analysis
Gemini and GPT-4o Vision read your thumbnail like a viewer would — scoring focal clarity, contrast, and redundancy in seconds.
YouTube Feed Overlay Preview
See your thumbnail with native YouTube UI on top — timestamp, progress bar, and Watch Later — to catch elements that get covered.
Niche Competitor Grid
Drop your thumbnail into a real 12-slot feed for your niche and judge, at a glance, how well it stands out from the competition.
Ready to raise your click-through rate?
Sign in and run your first audit in under a minute.
5 Free Credits on Signup • No Credit Card Required