Upload a thumbnail to see what hurts clicks, then generate stronger designs built for YouTube growth.
Free analysisNo credit card required
Score, generate, browse templates, and ask a coach what to fix.
Describe your video and get AI thumbnail designs sized for YouTube.
Ask about your title, hook, or thumbnail and get niche-specific advice.
Upload a thumbnail and get a score with concrete fixes you can apply.
Drop thumbnail or click to upload
PNG, JPG, or WEBP · Max 10MB
Pick a proven layout like splits or reactions and generate in that style.
16:9Left vs Right
Split
16:9Text + Arrow
Overlay
Apply analysis fixes on a live canvas and preview CTR changes before you publish.
Brightness
100%
Contrast
100%
Sharpness
45
Saturation
100%
Pick a ready-made presenter and drop them into any thumbnail you generate.
9:16Maya
South Asian
9:16Jordan
White
9:16Leo
Hispanic
9:16Aisha
Black
9:16Marcus
Black
9:16Sofia
Hispanic
Every upload shows how it looks, where eyes go, and what to fix first.
Preview your thumbnail in the YouTube mobile feed.
12:34
I Tried This Thumbnail Trick for 30 Days
Thumbalyze • 135K views • 1 hour ago
See exactly where viewers look first.
Score your title and get stronger alternatives.
Wearing a Pikachu Costume on a Train
5.1/10I Wore a Pikachu Costume for 24 Hours
8.3/10Strangers Reacted to My Pikachu Costume
7.6/10The fixes that will move your CTR the most.
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cancel anytime.
Free
Free forever with 25 lifetime credits, every core tool, no card required
25 credits lifetime
Pro
Full analysis and optimization for growing channels
10,000 credits / month
Creator
Full AI system for scaling and growing your channel
25,000 credits / month
Everything you need to know before
getting started.
Score a thumbnail, generate a better option, and see if Thumbalyze fits how you create.
