Learn French from the videos you already watch
Paste a YouTube link — the service reads the subtitles, shows the words you do not know with translations and examples, then brings them back for review.
Runs in the browser, no installAndroid app
Nous partons demaindemain[də.mɛ̃]tomorrowPronunciation+ To dictionary matin
14 new words · 5,000 most common hidden
Subglish in numbers
7,700+ videos analyzed
75,000+ words extracted
since 2023 running every day
How it works
Paste. Learn. Remember.
- 1
Paste a YouTube link
Or type a word in French — the service finds videos where it is spoken.
- 2
Tap the words you don't know
The most common words are hidden, leaving the vocabulary worth learning. Tap one for translation, pronunciation and examples from ChatGPT.
- 3
Review on time
The word goes into your dictionary, and spaced repetition brings it back exactly when it is due.
Tired of boring language apps?
Textbooks and flashcards
It all feels like work. You start keen and drop it two weeks later.
- Scripted dialogues instead of real speech
- Grammar drills nobody wants to open
- Words without context, gone within a week
Videos you already watch
News, podcasts, films, tech reviews — hours on YouTube turn into a lesson.
- Only the unknown words, the familiar ones filtered out
- Examples from ChatGPT that stick
- Review on a schedule, not whenever you happen to remember
Learn in 8 languages. Translate to 12.
Languages to learn
Translation and interface
English, Русский, Українська, العربية, Deutsch, Español, Français, Italiano, Polski, Português, Türkçe, and 中文
Start free. Upgrade when you get serious.
FREE
$0To try the system
- Any number of videos
- 20 words per video
- Translation and pronunciation
- Short review intervals
- 100 words in the dictionary
PRO
Recommended$7.99 / monthor $5 a month billed yearly ($59.99) — 37% off
Everything in FREE, plus:
- Every word in the video (instead of 20)
- AI examples (ChatGPT)
- Every interval: 1, 3, 7, 14, 30 days (instead of short ones)
- Unlimited dictionary (instead of 100)
- Export to Anki / CSV
Built by a developer who needed it himself
“I built Subglish in 2023 because existing tools didn't work for me: I needed real content, not synthetic exercises. Now I use it daily and ship updates every month.”
- Active since March 2023
- YouTube API audit passed
- Published on Google Play
- Open development
FAQ
Is this for beginners?
No. Subglish works best at intermediate level (B1+). You should understand basic grammar and common words already.
Which languages?
English, French, German, Spanish, Portuguese, Italian, Polish, Russian. More coming.
What's the difference between FREE and PRO?
FREE shows 20 words per video with basic translation. PRO unlocks all words, AI-generated examples, full spaced repetition schedule, and unlimited dictionary.
Do you have to pay?
No. Free plan works forever. Pro removes limits for serious learners.
Mobile apps?
Yes, available on Android. iOS coming soon.
Can you cancel at any time?
Yes. No contracts, cancel in one click.
Stop studying. Start watching.
Your next YouTube video is a language lesson. Paste a link and see for yourself.