Pro Thumbnail Preview for YouTube

Tracking since Apr 4, 2026.

Changelog

• Jun 8, 2026
  description

  Wait... don't hit publish on your next YouTube video, until you check this.
  
  You need to see exactly how your thumbnail looks, on YouTube... before the video goes live.
  
  Does it actually stand out next to the competition? Or will you lose clicks and views?
  
  Spot the hidden flaws... fix them... and hit publish with total confidence ✅
  
  Plus, you can validate your video topic to determine whether there is an audience for it or if it will be a flop — before you even make a video.
  
  You will master ideation and packaging... and become unstoppable.
  
  Honestly... it's the most powerful thumbnail preview you'll ever use.
  Stop guessing. Get more views... with Pro Thumbnail Preview.
  
   
  
  
  Pro Thumbnail Preview lives right on your YouTube page as a Chrome extension.
  Features for building a successful channel.
  
  ✅ Idea Validator: The best creators obsess over the video's core idea and its validation first. An efficient market research framework to go viral.
  Before you even make a thumbnail or video, check if the idea is good.
  
  ✅ Increase CTR: Get a quick, objective score on how strong your thumbnail and title really is.
  
  ✅ The Elite Packaging Masterclass: Packed with the psychological triggers and technical secrets you need to craft high-converting thumbnails and titles.
  
  ✅ Take your packaging out of isolation. Use Live Preview (the reality check), to see your thumbnail in the "wild" — on the live YouTube (home, search or channel pages), among your competitors, that are fighting for the same viewer attention.
  Test it before you upload so you can fix flaws in time and protect your video's crucial early momentum.
  
  ✅ 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.
  
  ✅ Sections (Idea Vault): Create categories to store your title and ideas. Save and load titles inside Live Preview and the Increase CTR workshop.
  
  ✅ Test Mobile Size: Instantly preview how your design looks at the smallest display sizes.
  
  ✅ The "Holy Trinity" of Thumbnail Checks: 
  Focus Test: Is the main subject instantly recognizable?
  Contrast Test: Does the subject stand out?
  Composition Test: Are elements placed perfectly for the human eye?
  
  
  🔒 100% Private & Secure
  All processing happens locally on your computer. Only you can see the ideas/thumbnails you test.
  
  
  💎 Pricing & Versions
  After installation, you get a 7-Day Free Trial.
  
  🔹 Free Version (Forever)
  • Live Preview 
  • Mobile Size Test
  • Contrast Test
  • Composition Test
  • Sections
  
  🔹🔹 Full Version (One-time payment, lifetime access)
  • Idea Validator
  • Increase CTR
  • The Elite Packaging Masterclass
  • Mobile Scroll Simulator
  • Focus Test
  
  👉 Click 'Add to Chrome'
  
  Questions? Reach out: [email protected]

  Wait... don't hit publish on your next YouTube video, until you check this.
  
  You need to see exactly how your thumbnail looks, on YouTube... before the video goes live.
  
  Does it actually stand out next to the competition? Or will you lose clicks and views?
  
  Spot the hidden flaws... fix them... and hit publish with total confidence ✅
  
  Plus, you can validate your video topic to determine whether there is an audience for it or if it will be a flop — before you even make a video.
  
  You will master ideation and packaging... and become unstoppable.
  
  Honestly... it's the most powerful thumbnail preview you'll ever use.
  
  Stop guessing. Get more views... with Pro Thumbnail Preview.
  
   
  
  
  Features for building a successful channel.
  
  ✅ Idea Validator: The best creators obsess over the video's core idea and its validation first. An efficient market research framework to go viral.
  Before you even make a thumbnail or video, check if the idea is good.
  
  ✅ Increase CTR (Click-Through Rate): Get a quick, objective score on how strong your thumbnail and title really is.
  
  ✅ The Elite Packaging Masterclass: Packed with the psychological triggers and technical secrets you need to craft high-converting thumbnails and titles.
  
  ✅ Take your packaging out of isolation. Use Live Preview (the reality check), to see your thumbnail in the "wild" — on the live YouTube (home, search or channel pages), among your competitors, that are fighting for the same viewer attention.
  Test it before you upload so you can fix flaws in time and protect your video's crucial early momentum.
  
  ✅ 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.
  
  ✅ Sections (Idea Vault): Create categories to store your title and ideas. Save and load titles inside Live Preview and the Increase CTR workshop.
  
  ✅ Test Mobile Size: Instantly preview how your design looks at the smallest display sizes.
  
  ✅ The "Holy Trinity" of Thumbnail Checks: 
  Focus Test: Is the main subject instantly recognizable?
  Contrast Test: Does the subject stand out?
  Composition Test: Are elements placed perfectly for the human eye?
  
  
  🔒 100% Private & Secure
  All processing happens locally on your computer. Only you can see the ideas/thumbnails you test.
  
  
  💎 Pricing & Versions
  After installation, you get a 7-Day Free Trial.
  
  🔹 Free Version (Forever)
  • Live Preview 
  • Mobile Size Test
  • Contrast Test
  • Composition Test
  • Sections
  
  🔹🔹 Full Version (One-time payment, lifetime access)
  • Idea Validator
  • Increase CTR
  • The Elite Packaging Masterclass
  • Mobile Scroll Simulator
  • Focus Test
  
  👉 Click 'Add to Chrome'
  
  Questions? Reach out: [email protected]

• Jun 1, 2026
  description

  Spot hidden flaws in your thumbnails and validate your video ideas to ensure they aren't boring — before you even make a video.
  
  Get more views with Pro Thumbnail Preview. 
  
  This is a strictly manual tool, built to increase your click-through rate.
  Pro Thumbnail Preview "lives" directly on the YouTube page. You will see your thumbnail in the "wild" among your competitors that are fighting for the same viewer attention, and all that before you even make a video.
  
  It provides a brutal reality check, precision, and absolute mastery over your packaging. Save time, money, and stress by leveraging the ''Idea Validator'' and ''Increase CTR'' features.
  
  You will master ideation and thumbnails, and become unstoppable 🔥 
   
  
  
  Features for building a successful channel.
  
  ✅ Idea Validator: The best creators obsess over the video's core idea and its validation first. An efficient market research framework to go viral.
  Before you even make a thumbnail or video, check if the idea is good.
  
  ✅ Increase CTR: Get a quick, objective score on how strong your thumbnail and title really is.
  
  ✅ The Elite Packaging Masterclass: Packed with the psychological triggers and technical secrets you need to craft high-converting thumbnails and titles.
  
  ✅ Take your packaging out of isolation. Use Live Preview (the reality check), to see your thumbnail in the "wild" — on the live YouTube (home, search or channel pages), among your competitors, that are fighting for the same viewer attention.
  Test it before you upload so you can fix flaws in time and protect your video's crucial early momentum.
  
  ✅ 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.
  
  ✅ Sections (Idea Vault): Create categories to store your title and ideas. Save and load titles inside Live Preview and the Increase CTR workshop.
  
  ✅ Test Mobile Size: Instantly preview how your design looks at the smallest display sizes.
  
  ✅ The "Holy Trinity" of Thumbnail Checks: 
  Focus Test: Is the main subject instantly recognizable?
  Contrast Test: Does the subject stand out?
  Composition Test: Are elements placed perfectly for the human eye?
  
  
  🔒 100% Private & Secure
  All processing happens locally on your computer. Only you can see the ideas/thumbnails you test.
  
  
  💎 Pricing & Versions
  After installation, you get a 7-Day Free Trial.
  
  🔹 Free Version (Forever)
  • Live Preview 
  • Mobile Size Test
  • Contrast Test
  • Composition Test
  • Sections
  
  🔹🔹 Full Version (One-time payment, lifetime access)
  • Idea Validator
  • Increase CTR
  • The Elite Packaging Masterclass
  • Mobile Scroll Simulator
  • Focus Test
  
  👉 Click 'Add to Chrome'
  
  Questions? Reach out: [email protected]

  Wait... don't hit publish on your next YouTube video, until you check this.
  
  You need to see exactly how your thumbnail looks, on YouTube... before the video goes live.
  
  Does it actually stand out next to the competition? Or will you lose clicks and views?
  
  Spot the hidden flaws... fix them... and hit publish with total confidence ✅
  
  Plus, you can validate your video topic to determine whether there is an audience for it or if it will be a flop — before you even make a video.
  
  You will master ideation and packaging... and become unstoppable.
  
  Honestly... it's the most powerful thumbnail preview you'll ever use.
  Stop guessing. Get more views... with Pro Thumbnail Preview.
  
   
  
  
  Pro Thumbnail Preview lives right on your YouTube page as a Chrome extension.
  Features for building a successful channel.
  
  ✅ Idea Validator: The best creators obsess over the video's core idea and its validation first. An efficient market research framework to go viral.
  Before you even make a thumbnail or video, check if the idea is good.
  
  ✅ Increase CTR: Get a quick, objective score on how strong your thumbnail and title really is.
  
  ✅ The Elite Packaging Masterclass: Packed with the psychological triggers and technical secrets you need to craft high-converting thumbnails and titles.
  
  ✅ Take your packaging out of isolation. Use Live Preview (the reality check), to see your thumbnail in the "wild" — on the live YouTube (home, search or channel pages), among your competitors, that are fighting for the same viewer attention.
  Test it before you upload so you can fix flaws in time and protect your video's crucial early momentum.
  
  ✅ 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.
  
  ✅ Sections (Idea Vault): Create categories to store your title and ideas. Save and load titles inside Live Preview and the Increase CTR workshop.
  
  ✅ Test Mobile Size: Instantly preview how your design looks at the smallest display sizes.
  
  ✅ The "Holy Trinity" of Thumbnail Checks: 
  Focus Test: Is the main subject instantly recognizable?
  Contrast Test: Does the subject stand out?
  Composition Test: Are elements placed perfectly for the human eye?
  
  
  🔒 100% Private & Secure
  All processing happens locally on your computer. Only you can see the ideas/thumbnails you test.
  
  
  💎 Pricing & Versions
  After installation, you get a 7-Day Free Trial.
  
  🔹 Free Version (Forever)
  • Live Preview 
  • Mobile Size Test
  • Contrast Test
  • Composition Test
  • Sections
  
  🔹🔹 Full Version (One-time payment, lifetime access)
  • Idea Validator
  • Increase CTR
  • The Elite Packaging Masterclass
  • Mobile Scroll Simulator
  • Focus Test
  
  👉 Click 'Add to Chrome'
  
  Questions? Reach out: [email protected]

• May 25, 2026
  description

  You aren't getting views because you have a bad thumbnail or a boring idea.
  
  Get more views with Pro Thumbnail Preview — validate your idea first, and then analyze your thumbnail to find out exactly what to fix, before you even make a video.
  
  This is a strictly manual, anti-AI tool built to increase your click-through rate.
  
  Pro Thumbnail Preview "lives" directly on the YouTube page. You will see your thumbnail in the "wild" among your competitors that are fighting for the same viewer attention, and all that before you even make a video.
  
  It provides a brutal reality check, precision, and absolute mastery over your packaging. Save time, money, and stress by leveraging the ''Idea Validator'' and ''Increase CTR'' features.
  
  You will master ideation and thumbnails, and become unstoppable 🔥 
   
  
  
  Features for building a successful channel.
  
  ✅ Idea Validator: The best creators obsess over the video's core idea and its validation first. An efficient market research framework to go viral.
  Before you even make a thumbnail or video, check if the idea is good.
  
  ✅ Increase CTR: Get a quick, objective score on how strong your thumbnail and title really is.
  
  ✅ The Elite Packaging Masterclass: Packed with the psychological triggers and technical secrets you need to craft high-converting thumbnails and titles.
  
  ✅ Take your packaging out of isolation. Use Live Preview (the reality check), to see your thumbnail in the "wild" — on the live YouTube (home, search or channel pages), among your competitors, that are fighting for the same viewer attention.
  Test it before you upload so you can fix flaws in time and protect your video's crucial early momentum.
  
  ✅ 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.
  
  ✅ Sections (Idea Vault): Create categories to store your title and ideas. Save and load titles inside Live Preview and the Increase CTR workshop.
  
  ✅ Test Mobile Size: Instantly preview how your design looks at the smallest display sizes.
  
  ✅ The "Holy Trinity" of Thumbnail Checks: 
  Focus Test: Is the main subject instantly recognizable?
  Contrast Test: Does the subject stand out?
  Composition Test: Are elements placed perfectly for the human eye?
  
  
  🔒 100% Private & Secure
  All processing happens locally on your computer. Only you can see the ideas/thumbnails you test.
  
  
  💎 Pricing & Versions
  After installation, you get a 7-Day Free Trial.
  
  🔹 Free Version (Forever)
  • Live Preview 
  • Mobile Size Test
  • Contrast Test
  • Composition Test
  • Sections
  
  🔹🔹 Full Version (One-time payment, lifetime access)
  • Idea Validator
  • Increase CTR
  • The Elite Packaging Masterclass
  • Mobile Scroll Simulator
  • Focus Test
  
  👉 Click 'Add to Chrome'
  
  Questions? Reach out: [email protected]

  Spot hidden flaws in your thumbnails and validate your video ideas to ensure they aren't boring — before you even make a video.
  
  Get more views with Pro Thumbnail Preview. 
  
  This is a strictly manual tool, built to increase your click-through rate.
  Pro Thumbnail Preview "lives" directly on the YouTube page. You will see your thumbnail in the "wild" among your competitors that are fighting for the same viewer attention, and all that before you even make a video.
  
  It provides a brutal reality check, precision, and absolute mastery over your packaging. Save time, money, and stress by leveraging the ''Idea Validator'' and ''Increase CTR'' features.
  
  You will master ideation and thumbnails, and become unstoppable 🔥 
   
  
  
  Features for building a successful channel.
  
  ✅ Idea Validator: The best creators obsess over the video's core idea and its validation first. An efficient market research framework to go viral.
  Before you even make a thumbnail or video, check if the idea is good.
  
  ✅ Increase CTR: Get a quick, objective score on how strong your thumbnail and title really is.
  
  ✅ The Elite Packaging Masterclass: Packed with the psychological triggers and technical secrets you need to craft high-converting thumbnails and titles.
  
  ✅ Take your packaging out of isolation. Use Live Preview (the reality check), to see your thumbnail in the "wild" — on the live YouTube (home, search or channel pages), among your competitors, that are fighting for the same viewer attention.
  Test it before you upload so you can fix flaws in time and protect your video's crucial early momentum.
  
  ✅ 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.
  
  ✅ Sections (Idea Vault): Create categories to store your title and ideas. Save and load titles inside Live Preview and the Increase CTR workshop.
  
  ✅ Test Mobile Size: Instantly preview how your design looks at the smallest display sizes.
  
  ✅ The "Holy Trinity" of Thumbnail Checks: 
  Focus Test: Is the main subject instantly recognizable?
  Contrast Test: Does the subject stand out?
  Composition Test: Are elements placed perfectly for the human eye?
  
  
  🔒 100% Private & Secure
  All processing happens locally on your computer. Only you can see the ideas/thumbnails you test.
  
  
  💎 Pricing & Versions
  After installation, you get a 7-Day Free Trial.
  
  🔹 Free Version (Forever)
  • Live Preview 
  • Mobile Size Test
  • Contrast Test
  • Composition Test
  • Sections
  
  🔹🔹 Full Version (One-time payment, lifetime access)
  • Idea Validator
  • Increase CTR
  • The Elite Packaging Masterclass
  • Mobile Scroll Simulator
  • Focus Test
  
  👉 Click 'Add to Chrome'
  
  Questions? Reach out: [email protected]

• May 19, 2026
  description

  Spot hidden flaws before losing views.
  
  Don't lose views because a bad thumbnail destroys a great video, or a boring idea wastes a good thumbnail — with Pro Thumbnail Preview, validate your idea first, then fix your thumbnail.
  
  
  🧰 The best creators obsess over the video's core idea and its validation first.
  Use Idea Validator, an efficient market research framework to go viral.
  Before you even make a thumbnail or video, check if the idea is good.
  
  🧰 Use Live Preview, to see your thumbnail in the "wild" — on the live YouTube (home, search or channel pages), among your competitors, that are fighting for the same viewer attention.
  Test it before you upload so you can fix flaws in time and protect your video's crucial early momentum.
  
  
  You will master ideation and packaging (thumbnail and title), and become unstoppable.
  🔥 Make your videos go viral with Pro Thumbnail Preview.
  
  
  Features
  
  ✅ Idea Validator: An efficient market research framework to help you go viral. Before you even make a thumbnail or video, check if the core idea is actually good.
  
  ✅ 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 title directly onto the YouTube Home, Search, or Channel pages. See it exactly how it looks like — 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.
  
  ✅ Sections (Idea Vault): Create categories to store your title and ideas. Save and load titles inside Live Preview and the Increase CTR workshop.
  
  ✅ Test Mobile Size: Instantly preview how your design looks at the smallest display sizes.
  
  ✅ The "Holy Trinity" of Thumbnail Checks: 
  Focus Test: Is the main subject instantly recognizable?
  Contrast Test: Does the subject stand out?
  Composition Test: Are elements placed perfectly for the human eye?
  
  
  🔒 100% Private & Secure
  All processing happens locally on your computer. Only you can see the ideas/thumbnails you test.
  
  
  💎 Pricing & Versions
  After installation, you automatically get a 7-Day Free Trial of the Full Version.
  
  🔹 Free Version (Forever)
  • Live Preview 
  • Mobile Size Test
  • Contrast Test
  • Composition Test
  • Sections
  
  🔹🔹 Full Version (One-time payment, lifetime access)
  • Idea Validator
  • Increase CTR
  • The Elite Packaging Masterclass
  • Mobile Scroll Simulator
  • Focus Test
  
  👉 Click 'Add to Chrome'
  
  Questions? Reach out: [email protected]

  You aren't getting views because you have a bad thumbnail or a boring idea.
  
  Get more views with Pro Thumbnail Preview — validate your idea first, and then analyze your thumbnail to find out exactly what to fix, before you even make a video.
  
  This is a strictly manual, anti-AI tool built to increase your click-through rate.
  
  Pro Thumbnail Preview "lives" directly on the YouTube page. You will see your thumbnail in the "wild" among your competitors that are fighting for the same viewer attention, and all that before you even make a video.
  
  It provides a brutal reality check, precision, and absolute mastery over your packaging. Save time, money, and stress by leveraging the ''Idea Validator'' and ''Increase CTR'' features.
  
  You will master ideation and thumbnails, and become unstoppable 🔥 
   
  
  
  Features for building a successful channel.
  
  ✅ Idea Validator: The best creators obsess over the video's core idea and its validation first. An efficient market research framework to go viral.
  Before you even make a thumbnail or video, check if the idea is good.
  
  ✅ Increase CTR: Get a quick, objective score on how strong your thumbnail and title really is.
  
  ✅ The Elite Packaging Masterclass: Packed with the psychological triggers and technical secrets you need to craft high-converting thumbnails and titles.
  
  ✅ Take your packaging out of isolation. Use Live Preview (the reality check), to see your thumbnail in the "wild" — on the live YouTube (home, search or channel pages), among your competitors, that are fighting for the same viewer attention.
  Test it before you upload so you can fix flaws in time and protect your video's crucial early momentum.
  
  ✅ 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.
  
  ✅ Sections (Idea Vault): Create categories to store your title and ideas. Save and load titles inside Live Preview and the Increase CTR workshop.
  
  ✅ Test Mobile Size: Instantly preview how your design looks at the smallest display sizes.
  
  ✅ The "Holy Trinity" of Thumbnail Checks: 
  Focus Test: Is the main subject instantly recognizable?
  Contrast Test: Does the subject stand out?
  Composition Test: Are elements placed perfectly for the human eye?
  
  
  🔒 100% Private & Secure
  All processing happens locally on your computer. Only you can see the ideas/thumbnails you test.
  
  
  💎 Pricing & Versions
  After installation, you get a 7-Day Free Trial.
  
  🔹 Free Version (Forever)
  • Live Preview 
  • Mobile Size Test
  • Contrast Test
  • Composition Test
  • Sections
  
  🔹🔹 Full Version (One-time payment, lifetime access)
  • Idea Validator
  • Increase CTR
  • The Elite Packaging Masterclass
  • Mobile Scroll Simulator
  • Focus Test
  
  👉 Click 'Add to Chrome'
  
  Questions? Reach out: [email protected]

• May 13, 2026
  description

  Spot the hidden flaws in your thumbnail and title before you lose views.
  
  🔥 Live Preview on YouTube Home, Search, or Channel pages.
  🔥 Test Mobile Size
  and
  📋 Increase Click Through Rate, your pre-publish check. 
  📋 ''The Elite Packaging Masterclass'', learn how to make great thumbnail and title. 
  🧰 Mobile Scroll Simulator on YouTube Home, Search, or Channel pages.
  🧰 The "Holy Trinity" of thumbnail checks.
  
  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). 
  
  100% Private 🔒 All processing happens locally on your computer. Only you can see the ideas/thumbnails you test.
  
  
  
  
  Why do I need this tool?
  💡 Improve thumbnail and title, avoid errors and increase click through rate.
  
  What can I do to improve my thumbnails?
  👉 Try ProThumb 
  
  How does my thumbnail look?
  👉 Try ProThumb
  
  How to increase ctr on YouTube?
  👉 Try ProThumb
  
  Better idea for a video and packaging means a higher Click Through Rate. 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.
  
  
  
  
  ✅ 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.
  
  ✅ Test Mobile Size - 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:
  
  Focus Test - Is the main subject instantly recognizable?
  Contrast Test – Does the main subject stand out from the background?
  Composition Test - Are elements placed perfectly for the human eye?
  
  
  
  
  🔥 After installation you get a 7 days Free Trial (full version)
  
  🔹 Free Version forever
  Live Preview, Mobile Size Test.
  
  🔹🔹 Full Version one-time payment, use forever
  Increase CTR Workshop - The Elite Packaging Masterclass, Mobile Scroll Simulator, Focus Test, Contrast Test, Composition Test, Title Manager.
  
  
  ✅ Click 'Add to Chrome'
  
  Questions? Reach out: [email protected]

  Spot hidden flaws before losing views.
  
  Don't lose views because a bad thumbnail destroys a great video, or a boring idea wastes a good thumbnail — with Pro Thumbnail Preview, validate your idea first, then fix your thumbnail.
  
  
  🧰 The best creators obsess over the video's core idea and its validation first.
  Use Idea Validator, an efficient market research framework to go viral.
  Before you even make a thumbnail or video, check if the idea is good.
  
  🧰 Use Live Preview, to see your thumbnail in the "wild" — on the live YouTube (home, search or channel pages), among your competitors, that are fighting for the same viewer attention.
  Test it before you upload so you can fix flaws in time and protect your video's crucial early momentum.
  
  
  You will master ideation and packaging (thumbnail and title), and become unstoppable.
  🔥 Make your videos go viral with Pro Thumbnail Preview.
  
  
  Features
  
  ✅ Idea Validator: An efficient market research framework to help you go viral. Before you even make a thumbnail or video, check if the core idea is actually good.
  
  ✅ 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 title directly onto the YouTube Home, Search, or Channel pages. See it exactly how it looks like — 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.
  
  ✅ Sections (Idea Vault): Create categories to store your title and ideas. Save and load titles inside Live Preview and the Increase CTR workshop.
  
  ✅ Test Mobile Size: Instantly preview how your design looks at the smallest display sizes.
  
  ✅ The "Holy Trinity" of Thumbnail Checks: 
  Focus Test: Is the main subject instantly recognizable?
  Contrast Test: Does the subject stand out?
  Composition Test: Are elements placed perfectly for the human eye?
  
  
  🔒 100% Private & Secure
  All processing happens locally on your computer. Only you can see the ideas/thumbnails you test.
  
  
  💎 Pricing & Versions
  After installation, you automatically get a 7-Day Free Trial of the Full Version.
  
  🔹 Free Version (Forever)
  • Live Preview 
  • Mobile Size Test
  • Contrast Test
  • Composition Test
  • Sections
  
  🔹🔹 Full Version (One-time payment, lifetime access)
  • Idea Validator
  • Increase CTR
  • The Elite Packaging Masterclass
  • Mobile Scroll Simulator
  • Focus Test
  
  👉 Click 'Add to Chrome'
  
  Questions? Reach out: [email protected]

• May 2, 2026
  permissions

  activeTab, storage, alarms, scripting, tabs

  activeTab, storage, alarms, scripting

• Apr 25, 2026
  description

  Spot the hidden flaws in your thumbnail and title before you lose views.
  
  The most powerful feature 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.
  
  What can I do to improve my thumbnails?
  👉 Try ProThumb
  
  How does my thumbnail look?
  👉 Try ProThumb
  
  How to increase ctr on YouTube?
  👉 Try ProThumb
  
  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.
  
  
  Questions? Reach out: [email protected]

  Spot the hidden flaws in your thumbnail and title before you lose views.
  
  🔥 Live Preview on YouTube Home, Search, or Channel pages.
  🔥 Test Mobile Size
  and
  📋 Increase Click Through Rate, your pre-publish check. 
  📋 ''The Elite Packaging Masterclass'', learn how to make great thumbnail and title. 
  🧰 Mobile Scroll Simulator on YouTube Home, Search, or Channel pages.
  🧰 The "Holy Trinity" of thumbnail checks.
  
  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). 
  
  100% Private 🔒 All processing happens locally on your computer. Only you can see the ideas/thumbnails you test.
  
  
  
  
  Why do I need this tool?
  💡 Improve thumbnail and title, avoid errors and increase click through rate.
  
  What can I do to improve my thumbnails?
  👉 Try ProThumb 
  
  How does my thumbnail look?
  👉 Try ProThumb
  
  How to increase ctr on YouTube?
  👉 Try ProThumb
  
  Better idea for a video and packaging means a higher Click Through Rate. 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.
  
  
  
  
  ✅ 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.
  
  ✅ Test Mobile Size - 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:
  
  Focus Test - Is the main subject instantly recognizable?
  Contrast Test – Does the main subject stand out from the background?
  Composition Test - Are elements placed perfectly for the human eye?
  
  
  
  
  🔥 After installation you get a 7 days Free Trial (full version)
  
  🔹 Free Version forever
  Live Preview, Mobile Size Test.
  
  🔹🔹 Full Version one-time payment, use forever
  Increase CTR Workshop - The Elite Packaging Masterclass, Mobile Scroll Simulator, Focus Test, Contrast Test, Composition Test, Title Manager.
  
  
  ✅ Click 'Add to Chrome'
  
  Questions? Reach out: [email protected]

• Apr 25, 2026
  host_permissions

  https://youtube.com/*, https://www.youtube.com/*, https://pro-thumbnail-preview.prothumbnailpreview.workers.dev/*, https://www.google-analytics.com/*

  https://youtube.com/*, https://www.youtube.com/*, https://prothumbnailpreview.com/pin-it-to-use-it/*, https://prothumbnailpreview.com/uninstall-survey/*, https://pro-thumbnail-preview.prothumbnailpreview.workers.dev/*, https://www.google-analytics.com/*

• Apr 25, 2026
  permissions

  activeTab, storage, alarms

  activeTab, storage, alarms, scripting, tabs

• Apr 17, 2026
  description

  Get More Views.
  
  This will help you tremendously in your journey to build a successful yt channel.
  
  🔥 Increase CTR & The Elite Packaging Masterclass.
  
  100% Private 🔒 All processing happens locally on your computer. Only you can see the ideas you test.
  
  If you dont get a lot of views, the only thing you should care about is to improve your ideation and your packaging.
  
  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.
  
  Test 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 it in time and protect your video's crucial early momentum.
  
  
  
  ✅ Increase CTR - Stop guessing. Get a quick, objective score on how strong your thumbnail and title packaging really is. 
  
  Includes a built-in 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 element stand out from the background?)
  
  Composition Test – Rule of Thirds (Are your elements placed perfectly for the human eye?)
  
  
  
  💡 Why You Need This
  
  Seeing your thumbnail in Live Preview is the difference between just looking at a car... and actually test driving it.
  
  A/B testing is great, but it takes days. This tool doesn’t replace A/B testing — it helps you eliminate the obviously bad options before you even start testing.
  
  Because better packaging means a higher CTR. And a higher CTR means more views, more subscribers, and ultimately — more revenue for your channel.
  
  
  
  🔹 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.
  
  🔥 After installation you get a 24h Free Trial (unlock all features - full version)
  
  Get More Views. Try ProThumb
  
  
  Questions? Reach out: [email protected]

  Spot the hidden flaws in your thumbnail and title before you lose views.
  
  The most powerful feature 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.
  
  What can I do to improve my thumbnails?
  👉 Try ProThumb
  
  How does my thumbnail look?
  👉 Try ProThumb
  
  How to increase ctr on YouTube?
  👉 Try ProThumb
  
  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.
  
  
  Questions? Reach out: [email protected]

Permissions & access

Permissions

activeTabstoragealarmsscripting

Host access

https://youtube.com/*, https://www.youtube.com/*, https://prothumbnailpreview.com/pin-it-to-use-it/*, https://prothumbnailpreview.com/uninstall-survey/*, https://pro-thumbnail-preview.prothumbnailpreview.workers.dev/*, https://www.google-analytics.com/*

Screenshots

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