Watch YouTubein Spanish. Learnas you watch.

LingoLens is a Chrome extension that translates Spanish captions into English in real time, remembers the words you've seen, and turns the rest into flashcards.

youtube.com/watch?v=españolaLingoLensLingoLens · ES → EN
2:47·7:12
Hoyvamosacocinarunatortillaespañola
Today we're going to cook a Spanish omelet
This session
142known
7new
3saved
Just captured
cocinarto cook
patataspotatoes
aceiteoil
Lingo the chameleon
¡hola!
Meet Lingo

Your new study partner adapts to whatever you watch.

Lingo sits in your YouTube tab, reads the Spanish captions as they happen, and keeps a running list of words you've seen — so you can tell what's new from what's clicking. No streaks to guilt-trip you. No deck to manage.

Spanish → EnglishTuned for native Spanish — slang, idioms, context and all
Learns with youTracks known words, surfaces new ones
Lives in your tabA Chrome extension that turns YouTube into your classroom
YouTube onlyAny video with Spanish captions
Spanish → EnglishOne pair. Done well.
Chrome extensionFree — No card required
Built for bingersYour watchlist becomes your syllabus
How it works

Four small steps.
One giant vocabulary.

🔒youtube.com/watch
LingoLens
LingoLens active · ES → EN
01

Open any Spanish video on YouTube.

LingoLens activates the moment a YouTube tab loads. No URLs to paste, no buttons to press — just start watching.

Me gusta madrugar los domingos
I like to wake up early on Sundays
madrugarv. · to wake up early“Me gusta madrugar.”
02

Read dual captions, in real time.

Your target language on top, your native language below. Hover any word for definition, gender, and a usage example.

Vocabulary map48 words
holacocinarmadrugarla casapatatasel mercadoaceiteañadirgraciaspelarsaltortillaplayaamigotrabajarentoncesquizásmañananochedespaciocallejóncorrerdormirsoñarla lunaestrellafuegohielonubelluviavientoárbolflorraízpájarococidopicantedulcesaladoharinahuevolechequesojamónpanneverafregarservilleta
knownlearningnew
03

Your vocabulary, building itself.

Hover a word, skip a word, mark one as known — LingoLens takes the note for you. No quizzes. No deck to manage. Just a map of the Spanish you're actually learning.

review · spanish
madrugar
/ma.ðɾuˈɣaɾ/
0:42 — “Me gusta madrugar…”
AgainHardGoodEasy
04

Review later. Without the grind.

Unknown words turn into flashcards in context — with the clip of the video where you saw them. Spaced repetition, but memorable.

Why it sticks

Learning that hides
inside what you already do.

Every word, in context.

No more abstract lists. Your flashcards replay the exact second of Spanish video where you first met the word.

Aa

Spanish, done well.

One language pair, focused. Gendered nouns, regional variants, and fast native speech — handled.

Learns your level quickly.

After a handful of videos, LingoLens knows which words to highlight for you and which to leave alone.

Private by default.

Your vocabulary lives on your account — never sold, never shared. We track what helps you learn, and nothing more.

ES → ENSpanish captions, English translations — that's it.
YouTubeWorks on any YouTube video with Spanish captions.
FreeInstall the Chrome extension. No credit card required.
Pricing

Start free.
Go Pro when it clicks.

Free
$0
forever
  • Unlimited Spanish YouTube captions
  • Live English translation
  • Up to 200 tracked words
  • Basic flashcard review
Add to Chrome
Pro Yearly
Same features, ~17% off.
$50
per year$60
  • Unlimited tracked vocabulary
  • Video clips attached to every word
  • Smart spaced repetition review
  • Priority sync across devices
Billed $50 once a year · was $60
Switch to yearly
No credit card to start. No auto-upgrade from Free. See FAQ →
FAQ

Quick answers.

Which languages does LingoLens support?
Just Spanish → English, for now. We're focused on doing one pair really well before adding more.
Where does LingoLens work?+
How does it know which words I know?+
Do I need an account?+
Is my viewing history private?+

Your next Spanish cooking video
is also your next lesson.

Free Chrome extension. No credit card required.