See exactly how your thumbnail will appear on YouTube — on any device, in any context. Test on desktop, mobile, dark mode, and more.
Paste YouTube URL or image link
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🖥️ Desktop view - Standard YouTube homepage
Upload an image file or paste a YouTube URL to extract the existing thumbnail.
See how your thumbnail looks on desktop, mobile, tablet — in dark and light mode.
Check how it appears in YouTube homepage, search results, and sidebar recommendations.
Your thumbnail is the first thing viewers see. A preview tool helps you optimize for maximum clicks.
Most viewers watch on phones. If your thumbnail doesn't look good at small sizes, you're losing clicks.
In the sidebar 'Up Next' section, thumbnails are tiny. Text and faces can become unreadable.
Creators who test thumbnails before publishing often see significantly higher click-through rates.
Many viewers use dark mode. Colors that pop on white may blend into black backgrounds.
Let AI generate a click-worthy thumbnail for you in seconds.
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