Greasy Fork is available in English.
Allows you to download subtitles from Amazon Video
< Feedback on Amazon Video - subtitle downloader
How about you make just one post? You can update the rating. Anyway, not my fault so no fix from me: https://greasyfork.org/pl/scripts/34885-amazon-video-subtitle-downloader/discussions/117569
updated
Does not work anymore. Hope they can fix it!