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Upload Preview
See your thumbnail and title on YouTube™ before you publish
# YouTube Assistant
Featured on : May 25. 2025
Featured on : May 25. 2025
What is Upload Preview?
Ever publish a YT video & the thumb/title looks weird? This Free Chrome Extension (UploadPreview) gives you a real preview on the homepage, before upload. And the best thing, this can show you multiple titles / thumbnails in 1 go.
Problem
Users cannot preview how their YouTube video thumbnails and titles will appear on the platform’s homepage, leading to unexpected formatting issues and lower engagement due to mismatched visuals or text.
Solution
A Chrome Extension that provides a real-time preview of thumbnails and titles on YouTube’s homepage, allowing users to test multiple designs simultaneously before publishing. Example: Preview thumbnails in ‘Trending’ or ‘Subscriptions’ sections.
Customers
YouTubers, content creators, video editors, and digital marketers focused on optimizing click-through rates (CTR) for their videos.
Unique Features
Real-time preview directly on YouTube’s interface, multi-thumbnail/title testing in one session, and integration with Chrome for seamless workflow.
User Comments
Saves time fixing post-upload errors
Improves thumbnail A/B testing efficiency
Free and easy to use
Reduces anxiety about formatting
Enhances CTR with accurate previews
Traction
Launched on Product Hunt in April 2024 with ~1,000 upvotes
Free Chrome Extension with potential premium features in development
Founder active on X (formerly Twitter) with 1.2K+ followers
Market Size
YouTube’s global ad revenue reached $31.5 billion in 2023 (Statista), with over 2.7B monthly active users requiring thumbnail optimization tools.