Pro Thumbnail Preview for YouTube

Professional thumbnail testing tool for YouTube.

Check if your thumbnail "pops" or gets lost in a sea of other videos before you even upload video — so you can fix it in time and get more views. ProThumbnailPreview ▪️quickly▪️ removes subjectivity from your packaging (thumbnail + title) by showing the thumbnail in the "wild" — on the live YouTube page, among your competitors. This gives you a real, objective picture of what your packaging looks like next to other videos that are fighting for the same viewer attention. This allows you to improve your packaging, leading to a ▪️higher CTR▪️ and more views from the impressions that YouTube's algorithm allocates to your video. ▪️ More views → more subscribers, likes, comments, and ultimately more revenue from ads on your YouTube channel (or whatever monetization method you use). Key Features 📊 ✅ Live Preview – Swap in your local thumbnail and custom title on YouTube Home, Search or Channel pages. ✅ Mobile Size Test – Preview how it looks at small sizes (160x90px). ✅ Increase CTR – Get a quick score on how strong your thumbnail and title. ✅ Mobile Scroll Simulator – Check if your thumbnail stands out against competitors. ✅ Title Manager (creating sections to store title) – An Idea Vault for your best title ideas. Save and loading title inside Live Preview and Increase CTR. The "Holy Trinity" of Thumbnail Design Checks 📋 The essential trio to make your thumbnails pop. ✅ Blur Test – Focus check (Is the main subject recognizable?) ✅ Contrast Test – Visibility check (Does the main element stand out from the background?) ✅ Composition Test – Rule of Thirds (Are the elements in the right place?) 🔹 Free Version Features: Live Preview, Mobile Size Test. 🔹 Full Version (One-Time Payment – Lifetime Access) Blur Test, Contrast Test, Composition Test, Increase CTR, Title Manager, Mobile Scroll Simulator. 💻 Privacy-First We never see your thumbnails, titles or data — all processing happens locally on your computer. Ready to start growing your channel? Install now! Questions? Reach out: prothumbnailpreview@gmail.com