ThumbnailMake generates several thumbnails from a brief or YouTube URL, attaches estimated click-through scores with explanations, and lets users refine a chosen design through chat. It supports YouTube and vertical short-video formats; scores are estimates.

Features
- Four thumbnail concepts
- Estimated CTR feedback
- Chat refinement and format exports
Use Cases
- Create YouTube thumbnails
- Compare short-video cover ideas
FAQ
ThumbnailMake generates several thumbnails from a brief or YouTube URL, attaches estimated click-through scores with explanations, and lets users refine a chosen design through chat. It supports YouTube and vertical short-video formats; scores are estimates. Core capabilities include: Four thumbnail concepts, Estimated CTR feedback, Chat refinement and format exports.
Common scenarios include: Create YouTube thumbnails, Compare short-video cover ideas.