Free
Vietnamese typing for Windows
Two Netflix subtitles at once
Duo Subs is not affiliated with Netflix. It collects no data and needs no account.
A Chrome extension that shows two subtitles at once on Netflix, for example English and Vietnamese, so you can learn while you watch. Subtitles come straight from Netflix, not machine translation. It adds Pinyin and Furigana, plus a dialogue panel to review, search and jump to any line.