AlphaMoatによると、2026-09時点でChrome拡張機能Subtra AIのユーザー数は503(前月比 +105.3%)、評価は4.9(34件のレビュー)で、9,324件のAIブラウザ拡張機能中2,228位、教育・研究では676件中175位です。
Subtra AIとは
Press Alt+X or Alt+V to translate and save subtitles from any video. Learn languages with AI-powered quizzes, shadowing and stories. Subtra AI turns movies and shows into language learning material. It works directly on Netflix, YouTube, and ANY OTHER platforms.
Dual Subtitles Watch with two subtitle tracks on screen at the same time. You can keep the original language and your native translation visible together, making it much easier to follow fast dialogue and pick up natural phrasing.
Instant Translation and Word Saving While watching, click any word or press Alt+X / Alt+V to translate subtitles on the spot. Subtra saves the word along with the full sentence, so you always remember the exact context it was used in.
Practice What You Actually Watched Everything you save goes straight to your Subtra dashboard. The app automatically creates quizzes, shadowing exercises, and vocabulary reviews based on the scenes you just finished watching.
Works with English, Spanish, French, German, Japanese, Korean, Italian, Turkish, and many more languages.
Install Subtra AI and learn naturally while enjoying your favorite shows.
拡張機能の情報
ユーザー数の推移
教育・研究の人気拡張機能
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+ 比較データ月:2026-09 · ユーザー数と評価はChromeウェブストアの公開データを月単位で集計したものです。詳しくはデータの方法論をご覧ください。