Pro Thumbnail Preview for YouTube

Professional thumbnail testing tool for YouTube.

Spot the hidden flaws in your thumbnail and title before you lose views. The most powerful part of the tool is: 🔥 Increase CTR (Click Through Rate), your Pre-Publish Check and ''The Elite Packaging Masterclass'' - learn how to make great thumbnail and title. 🔥 Live Preview and Mobile Scroll Simulator. If you don't get a lot of views, the only thing you should care about is to improve your ideation and your packaging (thumbnail and title). 💡 Why do I need this tool? Improve thumbnail and title, avoid errors and increase click through rate. Because better idea for a video and packaging means a higher CTR. And a higher CTR means more views, more subscribers, and ultimately — more revenue for your channel. We design thumbnails in isolation on our computers. We guess what looks good, then throw it into the wild — hoping it stands out against the competition. If you use A/B testing is great, but it takes days. This tool doesn’t replace A/B testing — it helps you eliminate the bad options with pre-publish check, before you even start testing. Make sure if your thumbnail and title "pop" or get lost in a sea of other videos on the live YouTube page, before you upload — so you can fix flaws it in time and protect your video's crucial early momentum. 100% Private 🔒 All processing happens locally on your computer. Only you can see the ideas you test. ✅ Increase CTR - get a quick, objective score on how strong your thumbnail and title packaging really is. ✅ The Elite Packaging Masterclass packed with the psychological triggers and technical secrets you need to craft high-converting thumbnails and titles. ✅ Live Preview (the reality check) - take your packaging out of isolation. Swap your local thumbnail and custom title directly onto the YouTube Home, Search, or Channel pages. See it exactly where it belongs — right next to your competitors. ✅ Mobile Scroll Simulator - on smaller screens, text gets tiny, elements blur, and videos disappear in the feed. Scroll through a simulated mobile feed to check if your thumbnail actually survives the scroll. ✅ Title Manager (idea vault) - create sections to store your best title/ideas. Save and load titles seamlessly inside Live Preview and the Increase CTR workshop. ✅ Mobile Size Test - instantly preview how your design looks at the smallest display sizes. 📋 The "Holy Trinity" of thumbnail checks. The essential diagnostic trio built right into your workflow to make your thumbnails impossible to ignore: Blur Test – focus check - Is the main subject instantly recognizable? Contrast Test – visibility check - Does the main subject stand out from the background? Composition Test – rule of thirds - Are elements placed perfectly for the human eye? 🔥 After installation you get a 24h Free Trial (full version) 🔹 Free Version Live Preview, Mobile Size Test. 🔹🔹 Full Version Increase CTR Workshop - The Elite Packaging Masterclass, Mobile Scroll Simulator, Blur Test, Contrast Test, Composition Test, Title Manager. Get More Views. Try ProThumb Questions? Reach out: prothumbnailpreview@gmail.com