Kitsumi

Browser extension for mining Anki cards while watching anime and YouTube

Browser extensionfreeglobal

Kitsumi is a browser extension that adds interactive subtitles and Anki card mining to anime, Netflix, and YouTube, so unfamiliar words in 45+ languages can be looked up and carded without pausing to search separately. It's for immersion-based language learners tired of manually looking up and carding every new word they encounter.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of Kitsumi - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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