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Preview YouTube thumbnails in a realistic YouTube interface
5 followers
Preview YouTube thumbnails in a realistic YouTube interface
5 followers
Add new features to your browser and personalize your browsing experience.ThumbnailTest lets you upload two thumbnail versions and instantly preview how they look in a simulated YouTube interface — search results, recommended videos, and mobile view. No uploads to any server, everything stays local in your browser. Built for YouTubers who want to pick the stronger thumbnail before going live.
