YouTube Thumbnail Viewer
Right click a YouTube Thumbnail to view a full-size version.
YouTube Thumbnail Viewer
Add-on stats
Weekly download count: 7
Firefox on Android: No
Risk impact: High risk impact 
Risk likelihood:
Manifest version: 3
Permissions:
- tabs
- menus
Host permissions:
- https://www.youtube.com/*
Size: 18.19K
Other platforms
Not available on Android
Not available on Edge
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Add-on summary
Right click a YouTube thumbnail and select "View Thumbnail" to open the full-size image. It's a quick way to download thumbnails without a third party website.
User reviews
it works
by Firefox user 18583313, 2024-09-05
Works good, except after a while it stops showing up in the right click context menu and the only way to fix it is to disable and enable it again.
by Firefox user 18405692, 2024-05-24
Add-on safety
Risk impact
YouTube Thumbnail Viewer requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk likelihood
YouTube Thumbnail Viewer has earned a fairly good reputation and likely can be trusted.
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