Dual subtitles overlay for Chinese language learners on streaming platforms like WeTV, iQIYI, and Viki.
Users
79
+25 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#91K
#76K among extensions
Version
1.8.0
updated 11 Aug 2026
Users
monthly, 3 months
Latest, 15 Oct 2026:79 usersMove the mouse over the chart for any month
Ratings count
monthly, 3 months
Latest, 15 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 PolySub — Chinese Dual Subtitles for Learners
Learn Chinese while watching your favorite shows. PolySub adds dual subtitles (Chinese + your native language) directly to the video player so you can easily follow along with real native content.
WHAT IT DOES:
• Dual Subtitles: See Chinese (Hanzi) and your translation at the exact same time.
• Hover Dictionary: Hover over any Chinese character on the screen to instantly see its translation.
• Learn in Context: Pick up real vocabulary and fast-paced conversational phrasing you won't find in textbooks.
• Plug & Play: Runs right in your browser with zero setup. Just turn it on and start watching.
WHERE IT WORKS:
• Supported now: WeTV, iQIYI and Viki
• Coming soon: YouTube, Netflix
Perfect for C-drama fans and Mandarin learners trying to bridge the gap between intermediate study and real-world spoken Chinese.