Turn Your Video
Into a Viral Thumbnail
Upload your finished video. AI analyzes the content, studies viral thumbnails in your niche, and generates a click-worthy thumbnail — in 30 seconds.
ThumbAI
输入主题，30秒生成爆款封面
How It Works
1
Upload Your Video
AI reads 30 frames to understand your content. No prompts. No descriptions. Just your video.
2
Study the Competition
Finds similar viral videos on YouTube. Analyzes what makes their thumbnails get clicks.
3
Get Your Thumbnail
Generates a professional, click-optimized thumbnail. Download and upload to YouTube. Done.
Why Creators Choose ThumbAI
🎯
Video-First AI
No prompts needed. Just upload your video and AI understands the content automatically.
🔥
Learns From Viral
Studies real YouTube thumbnails that got millions of views in your niche.
⚡
Ready to Use
Download and upload directly to YouTube. No Photoshop. No design skills needed.