YouTube Thumbnail Previewer
See how your thumbnail will look in YouTube search, home feed, and sidebar — before you publish.
Drag & drop your thumbnail here
or
Recommended: 1280 × 720 px (16:9)
YouTube Theme
Home Feed
Search Results
Sidebar / Up Next
About This Tool
Preview your YouTube thumbnail exactly as viewers will see it — in search results, the home feed, and the sidebar. Test different titles, check readability at small sizes, and make sure your thumbnail stands out.
- Three layouts — home feed (large card), search results (horizontal), and sidebar (small)
- Customizable metadata — title, channel name, views, time, duration
- Light & dark mode — preview in both YouTube themes
- 100% private — everything runs in your browser