What is YouThumb?
YouThumb is a Chrome extension that helps YouTube creators improve thumbnail click-through rate before a video goes live. It shows how a thumbnail looks inside real YouTube contexts like the home feed, search results, and suggested videos, so creators can spot problems early. You can compare your design against competitor videos, get feedback on visibility, contrast, and impact, and make better choices without leaving YouTube. It is built for creators, marketing teams, and thumbnail designers who want a faster, more data-driven way to test thumbnails and increase clicks.
Key features
- Preview thumbnails inside YouTube before publishing.
- Compare your design against competitor videos.
- Simulate home feed, search, and suggested contexts.
- Get AI-powered visibility and impact suggestions.
- Optimize thumbnails without leaving the YouTube workflow.
- Track thumbnail scanning and testing results easily.
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Aldin Kozica
