Learn Languages While Watching What You Love
Watch Netflix, YouTube, Disney+ and Prime Video with dual subtitles, instant dictionaries, and one-click vocabulary saving.
One extension. Four streaming platforms.
Everything you need to learn from real content
A complete immersion toolkit built into your favorite streaming platforms.
Dual Subtitles
Watch with two languages at once, perfectly synced.
Instant Dictionary
Click any word or character for definitions.
Vocabulary Builder
Save words while watching and export to Anki.
Japanese Furigana
Automatic readings above kanji via Jisho.
Korean Learning Tools
Difficulty levels and grammar-friendly KRDICT lookup.
Chinese Pinyin
See tone-marked pronunciation from CC-CEDICT instantly.
Adjustable Overlay
Drag subtitles anywhere and resize to taste.
Bilingual Interface
Use Dual Subs in English or Spanish.
How it works
Three steps. Then just press play.
Install the Chrome extension
One click from the Chrome Web Store.
Open your favorite streaming platform
Netflix, YouTube, Prime Video, or Disney+.
Learn naturally while watching
Dual subtitles and dictionary appear automatically.
Mix and match any language pair
From Japanese to Korean, German to Chinese — combine your target language with the one you already know.
今日は何を食べますか？
What are you going to eat today?
Das ist eine gute Idee.
That is a good idea.
정말 감사합니다.
Muchas gracias.
你今天怎么样？
How are you today?
Your personal vocabulary deck
Every saved word lands in your dashboard with readings, meanings, and learning status. Export to CSV and import directly into Anki in seconds.
Loved by learners
"Dual Subs replaced constantly pausing videos to search words."
"The furigana and one-click dictionary are incredible."
"The best immersion tool I've found."
Frequently asked questions
Turn every episode into a language lesson
Install Dual Subs and start learning from real content today.