AI-Powered · Free
📱 Free YouTube Shorts Thumbnail Maker (AI)
Vertical thumbnails optimized for Shorts discovery.
Audit your thumbnail in 30 seconds
Instant results. Predict CTR before publishing.
Results in 30 seconds · Used by 1,000+ creators · 4.8★ rated
Why This Formula Works for YouTube Shorts Thumbnail Maker
Shorts thumbnails only appear on the channel page and Shorts shelf, but they decide whether viewers click "see more". Our AI uses 9:16 exports and enforces a minimum 48pt font for mobile legibility.
What the AI does for your content thumbnails
- 9:16 Vertical Format
- Bold Mobile-First Text
- High Contrast Styles
Frequently Asked Questions
Other content thumbnail makers
Is your content thumbnail losing clicks?
Drop your thumbnail above and get a score, the exact problems, and an AI-improved version in 30 seconds.