Subsly - AI YouTube Subtitle Translator

Established publisherManifest V3 Free

View in Chrome Web Store Data as of 19 Oct 2026

AI-powered Persian & multi-language subtitle translation for YouTube. Subtitle text is sent to our server only to translate it.

Users

+61 in 30 days

Rating

5.0 / 5

+5.00 in 30 days

Ratings

+1 in 30 days

Store rank

#93K

#78K among extensions

Version

1.6.2

updated 5 Oct 2026

Users

monthly, 2 months

Latest, 19 Oct 2026: 76 usersMove the mouse over the chart for any month

Ratings count

monthly, 2 months

Latest, 19 Oct 2026: 1 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 Subsly - AI YouTube Subtitle Translator

Subsly helps you translate YouTube subtitles instantly with AI — right where you watch. No tracking. No personal data collection. Just one click. Subsly is an AI-powered subtitle translator built specifically for YouTube. It lets you instantly translate, customize, and manage subtitles in real time — without leaving the YouTube player. ✨ Key Features: 🔤 AI-Powered Translation — Translate YouTube subtitles into your preferred language instantly. 🎯 Automatic Subtitle Detection — Detects available captions and makes them ready to translate. 🌍 Multilingual Support — Works with different languages and YouTube’s auto-generated captions. 🛠️ Customize Your Subtitles — Adjust font, size, position, and appearance to match your preference. ⚡ One-Click Experience — Translate subtitles without opening another website or switching between apps. 🧠 Built for YouTube — Works seamlessly alongside YouTube’s native player. 💾 Save Your Preferences — Your subtitle settings are remembered for future sessions. 🔒 Privacy First — No tracking and no collection of personal data. Whether you’re learning a new language, watching educational content, or simply trying to understand videos in another language, Subsly makes YouTube subtitles faster, smarter, and easier to use.