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SubLingo - Dual Subtitles & Language Learning

By Nguyen Thanh Thien

Dual subtitles for Netflix, YouTube, TED & Coursera. Hover translate, save words as flashcards, and learn languages.

View Chrome Web Store

Time on the storeUnder a yearA rough range, not an exact date

Store users264As shown on the Chrome Web Store

Chrome Web Store rating5.0 / 54 ratings on the Chrome Web Store

Last store update15 Sep 2026Version 1.4.4, 25 days ago

Inside the extension

SubLingo - Dual Subtitles & Language Learning developer product preview 1

Product image 1 of 6

Reviews

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Permissions & access

Access levelMedium

Can see the address and title of every open tab, plus 1 more sensitive permission.

What it’s allowed to do, not what it actually does. Not a safety rating.

Permissions 6

Sensitive2

See the address and title of every open tabtabs
Ask for your Google account sign-inidentity

Standard4

Save its own settingsstorage
Work on the tab you click it onactiveTab
Open in the side panelsidePanel
Run tasks on a schedulealarms

Members also see when a new version asks for new access.

Website access 13

youtube.com and its subdomains
netflix.com and its subdomains
disneyplus.com and its subdomains
ted.com and its subdomains
hls.ted.com
coursera.org and its subdomains
nflxvideo.net and its subdomains
sublingo-images.sublingo.workers.dev
images.sublingo.pro
supabase.co and its subdomains
pixabay.com
cdn.pixabay.com
us.i.posthog.com

Extension ID: nhdbhcjhjnmhekehlpmdjemmecjfikeg
Package size: 1.59MiB
Manifest: Version 3

The maker

Nguyen Thanh Thien has 4 listings on the store. Updates most of their listings often.

Listings: 4
Combined store users: ≈337
Store Featured: 0
Updated in the last 90 days: 2 of 4

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Combined users can count the same person more than once. See all 4 listings

Ext Watch AI

Should you build in this niche?

One research report for SubLingo - Dual Subtitles & Language Learning. Reports come with Plus, Pro and Max.

Takeaway & demandCited takeaway and search volumes
Traffic & domainPopularity rank, visits and authority
Money & pricingPlans and prices from the maker’s site
ReviewsComplaints and praise, quoted
Competitors & ranksRank against the closest listings
Build opportunityWhat to build and how to position it

Every number shows its source and date
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