Greasy Fork is available in English.
Allows you to download subtitles from Netflix
< Feedback on Netflix - subtitle downloader
You could download the subtitles from HBO Now using Firefox by pressing F12 and in "Network" search for "xml" then play the video and enable "CC" you will get a subtitle URL like this
copy the subtitle URL and download it with IDM then convert the subtitle to SRT using "Subtitle Edit".
HBO
Hi, is it possible to extract subtitle from HBO?