Research YouTube
Save, analyze, and compare YouTube thumbnails — right from your browser. Extract color palettes, spot trends, and make data-driven creative decisions.
50+
beta creators
2k+
thumbnails saved
500+
palettes extracted
ThumbLab
How it works
Up and running in 60 seconds
Install once, use everywhere on YouTube — no configuration needed.
01
ThumbLab
Chrome extension
Add
Install the extension
One click from the Chrome Web Store — no sign-up required. ThumbLab activates automatically on every YouTube page the moment you install it.
03
Analyze and compare
Open your library to extract color palettes, compare thumbnails side by side, and discover the design patterns behind your best-performing ideas.
02
Browse YouTube normally
As you scroll through YouTube, hover any thumbnail to reveal the ThumbLab overlay. Save it to your library or drop it into a board with a single click — without ever leaving the page.
Features
Everything you need to study thumbnails
Built for creators who take their craft seriously.
Palette Extractor
Extract any thumbnail's exact colors
Hover any YouTube thumbnail and instantly pull its full color palette. Copy hex codes, see color proportions, and understand what makes a thumbnail pop at a glance.
Thumbnail Library
Save and organize your swipe file
Save any thumbnail to your personal library with one click. Organize into boards, add tags, write notes on what works. Never lose a good reference again.
Comparison Grid
Compare thumbnails side by side
Select multiple thumbnails and view them in a grid. Spot visual patterns, compare color strategies, and see what top creators do differently.
Similar Thumbnails
Find thumbnails that share your style
Paste any YouTube URL and discover thumbnails with similar composition, colors, or style from our index. Use it as a search engine for visual inspiration.
96%
91%
84%
Pro workflow
Where thumbnails get finished
Test against real competition, collect feedback, ship the version that wins.
Pro
YouTube Simulator
Test it where it competes
Drop your thumbnail into a realistic YouTube feed and watch it fight for the click. Cycle up to three thumbnail and title variants against real competition — before you publish, not after.
Test your next thumbnail
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Pro
Collab Reviews
Feedback, pinned to the pixel
Share one link and collect feedback directly on the thumbnail — pinned comments, threads, and version history in one place. Reviewers don't need an account: they open your link and start commenting.
Start collecting feedbackv1
thumblab.app/review/x7Kp…
MJS
Pricing
Simple, no surprises
Free to start. Upgrade when you're ready.