Japanese immersion, made readable

Turn any YouTube video
into a vocabulary deck

You can almost follow native Japanese — but every video is a wall of words to look up. タマ pulls the vocabulary straight out of the transcript, so you can learn it and watch again.

youtube.com/watch?v=…
From the transcript
友だちと映画見に行きました
Into your deck
映画
えいが
movie, film
見る
みる
to see, to watch
行く
いく
to go

The gap between studying and understanding

You've done the textbooks. You know the grammar. But real Japanese content still moves too fast, with too many unknown words to pause and look up one by one.

タマ closes that gap. It reads the transcript, finds the words worth learning, and gives you their readings and meanings — so the video becomes comprehensible input instead of noise.

彼は突然立ち上がって、眺めた
Four unknowns in one sentence. タマ turns each into a card you can actually study.
How it works

Three steps to your first deck

No setup, no extensions, no dictionaries open in another tab.

Paste a link

Drop in any YouTube video with Japanese audio and captions. A vlog, an interview, a clip you love.

Mine the words

タマ reads the transcript, tokenizes the Japanese, and looks up each word in a dictionary — readings, meanings, and the sentence it came from.

Study & rewatch

Learn the words with spaced-repetition flashcards, then jump back to the exact moment in the video where each one was said.

What's inside

Built for actually learning

Not just a word list — a full loop from video to memory.

Spaced repetition

Every word becomes a flashcard scheduled by an FSRS algorithm, so you review right before you'd forget.

Furigana & tap-to-look-up

Turn on beginner mode for readings over every kanji, and tap any word in an example sentence to see its meaning.

Back to the source

Each word remembers the sentence and timestamp it came from — one click replays that exact moment.

JLPT levels & quizzes

See which words belong to which JLPT level, and test yourself with quizzes from N5 to N1.

Your next video is a lesson

Start with one link. Build a deck from the Japanese you actually want to watch.

Open タマ