
AngularJS (Angular) native directives for Bootstrap.

TubeBuddy
ThumbnailTester.app
Test My Thumbnails
VidIQ
Thumbnail Test
Thumb Previewer
Thumbnail Tester
Free YouTube thumbnail tester & checker.
Which is more popular?
Based on our record, Angular UI Bootstrap seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | angular-ui.github.io | thumbnailinsight.com |
| Pricing | — | |
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Angular UI Bootstrap yet.
Test your video thumbnail and title with our free YouTube thumbnail tester and previewer. No signup needed. Preview in 7 layouts: search, home feed, mobile, notifications & more. Test your thumbnail free now.
What each product offers, as listed by its team.


Possible disadvantages
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Overall verdict
Why this product is good
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Overall verdict
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Angular UI Bootstrap and ThumbnailInsight.
ThumbnailInsight's answer:
The site itself is built with HTML, CSS, and JavaScript.
ThumbnailInsight's answer:
ThumbnailInsight is a free tool trusted by creators worldwide, with 10,000+ thumbnails tested.
ThumbnailInsight's answer:
ThumbnailInsight is a free 100% and you can preview your thumbnail and title across 7 layouts including search results, home feed, mobile feed, bell notifications, size test and contrast.
ThumbnailInsight's answer:
Because ThumbnailInsight is 100% free and provide 7 layout previews. Many competitors provide 3,4 or 5 previews.
ThumbnailInsight's answer:
The primary audience of ThumbnailInsight is YouTube content creators of all experience levels who want to improve their click-through rate (CTR) before publishing a video.
ThumbnailInsight's answer:
ThumbnailInsight was born from the frustration of tools like TubeBuddy and VidIQ charging expensive monthly fees for basic thumbnail preview features. It lets creators preview their thumbnails across 7 YouTube layouts with no signup required, and images are never uploaded to any server.
Share your experience with using Angular UI Bootstrap and ThumbnailInsight. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I followed the tutorial on the angular bootstrap site :http://angular-ui.github.io/bootstrap/. Source: over 4 years ago
I would like to combine AngularJS and Twitter Bootstrap into a fresh web app. It seems like AngularJS directives have been written for Bootstrap. Source: over 4 years ago
I'd like to make a minor modification to a 3rd party directive (specifically Angular UI Bootstrap). I simply want to add to the scope of the pane directive:. Source: over 4 years ago
Tracking ThumbnailInsight since May 2026.