ClksOptimal predicts what people click. Titles, thumbnails, headlines, captions, email subject lines — paste anything, get a Clks Score and exactly what to change to earn more clicks, views, and readers.
Creators, marketers, bloggers, newsletters, agencies — one toolkit for everything you publish.
Get a CTR score from 1–100 plus emotion and curiosity ratings, weaknesses, and 5 rewritten titles proven to pull clicks.
Upload a thumbnail and learn what's hurting it — contrast, faces, text size, clutter — with concrete fixes.
SEO-optimized descriptions and tag sets generated for your exact video, tuned for search and suggested feeds.
Describe your video and get scroll-stopping thumbnail concepts generated for you, ready to refine.
AI studies your niche and hands you a pipeline of video ideas with predicted audience demand.
Set channel goals and get a weekly AI action plan that tells you what to publish and improve next.
From idea to optimized upload in three steps.
Drop in a video title, blog headline, or thumbnail — or let the browser extension grab it right on YouTube.
Our engine rates CTR potential, emotion, and curiosity, then pinpoints exactly what's costing you clicks.
Pick from AI-suggested rewrites and thumbnail concepts, publish, and watch your click-through rate climb.
Type any video title and see an instant sample analysis.
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Start optimizing in under a minute.
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Paste any title, headline, caption, or subject line. Get a Clks Score, emotion & curiosity ratings, 5 rewrites, visual ideas, keywords, audience, and weaknesses.
Clks Scores right inside YouTube. Score any video's title, get instant rewrites, and check your own uploads from YouTube Studio — without leaving the page.
⬇ Download Extension (.zip)Click the button above, then unzip the file. You'll get a folder called extension — remember where it saved (usually Downloads).
Type chrome://extensions in your address bar, then switch on Developer mode using the toggle in the top-right corner.
Click Load unpacked (top-left), select the unzipped extension folder, and click Select. ClksOptimal now appears in your extensions list.
Click the puzzle-piece icon in your toolbar and pin ClksOptimal. Click the icon, log in with your account — you're done.
On any YouTube video, hit the green ⚡ Clks Score button. In YouTube Studio, click ⚡ Clks next to any of your videos for scores and retitle ideas.
Works in Chrome, Edge, Brave, and Opera. Coming to the Chrome Web Store soon — for now this installs the same extension directly.
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