I would have searched "read subtitles aloud". Youtube specific "read subtitles aloud youtube" gives https://chrome.google.com/webstore/detail/subtitles-player-

I would have searched "read subtitles aloud". Youtube specific "read subtitles aloud youtube" gives https://chrome.google.com/webstore/detail/subtitles-player-translat/heiglcoakfdagibicjljgcaggfejijga?hl=en https://chrome.google.com/webstore/detail/subtitles-player-t... (I have not checked yet)