mVocaby
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Chrome extension

Learn words as you watch and read

mVocaby puts clickable subtitles over YouTube and Netflix, looks up any word on any page, and turns what you save into flashcards that come back on schedule.

Add to ChromeSee how it works
  • YouTube, Netflix, any page
  • 31 languages
  • No card needed
youtube.com/watch
and the light began to dwindle
dwindle
menguar
to gradually become smaller or weaker
Save to vocabulary

Three clicks, one new word

  1. and the light began to dwindle
    01

    Click a word

    In a YouTube or Netflix subtitle, or on any page you read. Highlight up to four words for a phrase.

  2. dwindle
    menguar
    to gradually become smaller or weaker
    Save to vocabulary
    02

    See what it means

    A definition in the language you are learning, a translation into yours, and the sentence it came from.

  3. ✓ Saved
    dwindle
    menguar
    Next review · tomorrow
    03

    Save it, then remember it

    One click saves it. It comes back as a flashcard on mvocaby.com, spaced so it sticks.

Works where you already are

  • YouTube

    Clickable subtitles over any captioned video.

  • Netflix

    The same subtitles over the shows you already watch.

  • Google search

    Search a word’s meaning and save it from the results.

  • Any web page

    Click or highlight a word in whatever you read.

Study12 due today
dwindle
“and the light began to dwindle”
menguar
AgainHardGoodEasy

Then it sticks

Saving is the easy part. Everything you save lands on mvocaby.com, where it is reviewed, tested and organised.

  • Spaced repetition

    The words you are about to forget come up first.

  • Quizzes and exercises

    Multiple choice, typed translation and, on Pro, exercises built from example sentences.

  • Grouped by meaning

    Saved words sort themselves into topics, and you can build collections of your own.

Add to Chrome

Plans

Free

Subtitles, lookups and definitions on every surface. With an account, translations and up to 75 new saved words a month, plus flashcards, quizzes and topics.

Pro $5 a month

Unlimited words, better translations of phrases and idioms, lookups that read the whole sentence, and exercises built from example sentences. Compare the plans.

Questions

Is it free?

Yes. Subtitles, lookups and definitions work without an account. An account adds translations and up to 75 new saved words a month; Pro is $5 a month for unlimited words and better translations.

Which languages does it support?

31 languages you can learn — including English, Spanish, French, German, Italian, Portuguese, Japanese, Korean and Chinese — with translations into your own.

Do I need an account?

Not to look words up. Sign in (Google or email) when you want translations into your language and a vocabulary that syncs across devices.

Does it work with any video?

Any YouTube video that has captions, and Netflix titles with subtitles. It reads the captions the player already has; there is no speech recognition.

Where do my words go?

To your account on mvocaby.com, where you review them as flashcards, test yourself, and browse them by topic. They belong to you, not to a plan, and you can delete any of them at any time.

Start with the next video you watch

Add mVocaby to Chrome, open anything with captions, and click a word.

Add to Chrome