Nihongo Learn review

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Nihongo Learn turns Japanese words encountered on web pages and video subtitles into vocabulary study material. It is aimed at learners who want to collect words while browsing, then revisit them in decks with spaced-repetition reviews. The Chrome extension can highlight saved vocabulary on pages, and guided kanji practice moves from tracing toward recall. Its scope is centered on vocabulary and related practice, rather than a complete Japanese course, so learners seeking a broader curriculum should consider another kind of app.

Reading and video are the product’s clearest fit. An offline dictionary provides readings, meanings and Japanese definitions, while interactive subtitle study supports YouTube, Netflix and Amazon Prime Video. Learners can also import and publish community vocabulary decks, which offers a route to ready-made study material. This combination suits people who already encounter Japanese online and want to turn that material into review; it is less suited to someone looking for a standalone sequence of lessons.

The core extension is free, and the published product description says decks, cards and review progress are stored locally in the browser. That makes its current model straightforward, but local storage is an important consideration for learners who want progress available across devices. Optional paid extras such as cloud sync and mobile review may come later, but the product’s current platform coverage is web and Chrome extension. Pick Nihongo Learn for browser-based vocabulary collection and kanji writing practice; choose an alternative if mobile study or a full course is central to your needs.

Nihongo Learn pros and cons

• Where it wins
  • Save words from web pages into decks and review them with spaced repetition.
  • Study YouTube, Netflix and Prime Video subtitles interactively.
  • Practice kanji stroke order and look up words with an offline dictionary.
• Where it doesn't
  • Its focus is vocabulary study rather than a full Japanese course.
  • It is limited to the web and Chrome extension.
  • Decks, cards and review progress use local browser storage.

Nihongo Learn fact sheet, pricing and score →

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Last updated 29 Oct 2026 · How we research and update