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YouTubeの字幕をリアルタイム翻訳して表示。Pro版で翻訳先言語を自由に選択できます。 DualSubtitle overlays a real-time translation directly beneath YouTube's native captions, so you can watch and understand without ever leaving the video. HOW IT WORKS ───────────────────────────── 1. Enable captions on any YouTube video 2. The translated subtitle appears automatically below the original 3. Toggle on/off anytime from the extension popup FREE PLAN ───────────────────────────── • Translate any YouTube video into Japanese • Instant display with smart caching (no repeated API calls) • Zero setup — no API key required PRO PLAN (¥480/month) ───────────────────────────── Unlock all 12 translation languages: 🇯🇵 Japanese 🇺🇸 English 🇨🇳 Chinese (Simplified) 🇰🇷 Korean 🇪🇸 Spanish 🇫🇷 French 🇩🇪 German 🇵🇹 Portuguese 🇷🇺 Russian 🇻🇳 Vietnamese 🇮🇩 Indonesian 🇹🇭 Thai Perfect for language learners who want to immerse in YouTube content across multiple languages. PRIVACY ───────────────────────────── • No account required • No personal data collected • Translation is processed via Google Translate • See our privacy policy for details
May 27, 2026
rating_count is the Chrome Web Store ratings count, not a written-review count.
Media assets
Screenshots and videos on the listing.
Has promo video
Whether the listing includes at least one video.
Languages
Declared language locales.
Developer website
Listing exposes a developer website URL.
Contact email
Listing exposes a contact email.
Keyword in name
Case-insensitive substring match in the name.
Keyword in description
Case-insensitive substring match in the description.
Keyword occurrences in description
Count of case-insensitive occurrences in the description.
Category user-count percentile
Share of same-category extensions with fewer users (null if unknown).
These are transparent listing completeness / keyword signals, not a prediction of Chrome Web Store search ranking.