Generate AI subtitles for any YouTube video in your language. Watch with subtitles in Korean, English, Japanese, Spanish & 15+
Users
131
+33 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#76K
#64K among extensions
Version
2.8.0
updated 16 Sep 2026
Users
monthly, 7 months
Latest, 18 Oct 2026:131 usersMove the mouse over the chart for any month
Ratings count
monthly, 7 months
Latest, 18 Oct 2026:1 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 RootblySub - AI Subtitles for YouTube
RootblySub – AI Subtitle Translation for YouTube
RootblySub is a subtitle translation tool that helps you understand YouTube videos more easily. Simply enter a YouTube video URL and the extension will automatically generate subtitles and translate them into your preferred language.
It is especially useful for foreign-language content such as interviews, lectures, reviews, and educational videos where quickly understanding the content is important. Even if a video does not have subtitles or the original language is difficult to follow, RootblySub makes it much easier to watch and understand.
With no complicated setup required, you can instantly view translated subtitles for any video you want to learn from or explore.