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A redesigned generation page, YouTube import, composition sketch, prompt improvement and side-by-side comparison: the new features in 40 seconds.
Place the title, the logo and your face with a few shapes. YouThumb follows your sketch to compose the thumbnail.
A vague line becomes a real brief, and Reuse this run reloads a whole past attempt. Two habits to iterate faster on your thumbnails.
Tick your variations, click Compare: they show up at the same scale. Keep the best one as a favorite.
Paste a YouTube link: its thumbnail becomes the source. Add your logos and photos as references, placed precisely in the prompt.
Prompt on top, every attempt below, a result that becomes the source in one click: YouThumb's generation page has been redesigned.
Discover the exact thumbnail strategies MrBeast uses to dominate YouTube. A complete breakdown of colors, faces, text, and psychology behind his viral thumbnails.
Learn how to systematically test your YouTube thumbnails to dramatically improve click-through rates. Step-by-step guide with proven frameworks and real examples.
Explore the neuroscience and behavioral psychology behind thumbnails that go viral. Learn how to trigger clicks using proven cognitive principles.
Understand how the YouTube algorithm evaluates thumbnails in 2026 and learn to optimize your CTR for maximum visibility and channel growth.
Viral thumbnails in 30 seconds. Better CTR. Faster production. No designer fees.
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