Translate hovered subtitle words or phrases instantly on YouTube, Netflix and Udemy. No Tab Switching, No Interruptions!
Users
50
−7 in 30 days
Rating
4.7 / 5
unchanged in 30 days
Ratings
14
0 in 30 days
Store rank
#108K
#90K among extensions
Version
1.2.1
updated 28 Jul 2026
Users
monthly, 6 months
Latest, 15 Oct 2026:50 usersMove the mouse over the chart for any month
Ratings count
monthly, 6 months
Latest, 15 Oct 2026:14 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 Subslator - Selective Subtitle Translator
Subslator lets you translate subtitles and build your personal vocabulary instantly while watching videos on YouTube, Udemy and Netflix without pausing, switching tabs, or breaking your focus.
Subslator makes language learning effortless. Just select a subtitle or phrase, see the translation immediately, and save it to your personal learning dashboard with a single click.
Key Features
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- Instant Translation: Select subtitles and get translations in real-time.
- Save & Sync Vocabulary (NEW!): Bookmark new words and phrases directly from the video to your cloud dashboard.
- Smart AI Dictionary (NEW!): Review your saved words in the dashboard to get AI-powered contextual meanings and real-life examples tailored to your language.
- Track Your Mastery (NEW!): Monitor your learning progress and mark words as "Mastered" once you've learned them.
- No Interruptions: Keep watching your video. No distractions.
- No Tab Switching: Everything happens right where you are.
- Multi-language Support: Translate between dozens of supported languages.
- Simple & Lightweight: Fast performance with a clean, minimal interface.
- Light and Dark Theme: Easy on the eyes, whatever your preference.
How It Works
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- Enable the extension and log in to your Subslator account.
- Play any video on YouTube, Udemy or Netflix with subtitles turned on.
- Highlight a word or phrase you don't know.
- See the instant translation right on the screen.
- Click the "Save" icon to add it to your personal vocabulary dashboard for later review!
Who Is It For?
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Language learners looking to pick up natural vocabulary from native speakers.
Movie & series lovers who want to understand every line of dialogue.
Developers and students watching tutorials in foreign languages.
Why Subslator? Because switching tabs, copying text, and pasting into translators breaks your flow. Subslator keeps you completely focused on your video while secretly helping you build an incredible vocabulary.