Test and Preview YouTube thumbnails before publishing. Ensure your thumbnails stand out in the YouTube feed.
Users
159
−1 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
5
0 in 30 days
Store rank
#70K
#58K among extensions
Version
1.0.2
updated 10 Mar 2025
Users
monthly, 2 years
Latest, 15 Oct 2026:159 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 years
Latest, 15 Oct 2026:5 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Preview Test Thumbnails
Perfect for YouTube creators and thumbnail designers who want to ensure their thumbnails are eye-catching and effective.
Key features:
- Analyze thumbnail visibility
- Check text readability
- Verify character prominence
- Test before publishing
Improve your click-through rates with this simple, user-friendly tool. Make sure your thumbnails stand out in search results and suggested videos.
Essential for:
- YouTube creators
- Thumbnail designers
- Content marketers
- Anyone who wants to boost video performance
Try Preview Test Thumbnails today and take the guesswork out of your YouTube thumbnail design!
Growth
Window
Users
Change
Ratings
Rating
7 days
+3
+1.9%
0
0.00
30 days
−1
−0.6%
0
0.00
6 months
−6
−3.6%
0
0.00
1 year
−9
−5.4%
0
0.00
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