Youtube Thumbnail is a youtube extension for chrome. also, it is youtube video thumbnail extension. it's a free extension , it has 3 active users since released its first version, it earns an average rating of 0.00 from 0 rated user, last update is 1362 days ago.
Show you the thumbnail you watching. when you click the thumbnail to watching, you can't see the thumbnail of it. This resolve that problem.
You could download the latest version crx file or older version files and install it.
English.
You could find more help information from youtube thumbnail support page.
You could send emails to publisher, or check publisher's website.
More about manifest_file of youtube thumbnail.
You could click to report abuse of youtube thumbnail.