DualSubtitle

by saitoooo · Education

Manifest V3 in_app

View in Chrome Web Store Data as of 15 Oct 2026

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。

Users

−1 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#286K

#236K among extensions

Version

0.2.0

updated 27 May 2026

Users

monthly, 5 months

Latest, 15 Oct 2026: 4 usersMove the mouse over the chart for any month

Ratings count

monthly, 5 months

Latest, 15 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About DualSubtitle

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