Language Reactor is a powerful browser extension designed to improve language learning through interactive video content. By integrating seamlessly with popular streaming platforms like Netflix and YouTube, it allows learners to watch videos with dual subtitles while providing tools to interact with the content for deeper comprehension. Its user-friendly interface and rich feature set aim to make language acquisition more engaging and effective.
Key Features
Dual Subtitles Display: View subtitles in both the native and target language simultaneously, facilitating direct comparison.
Interactive Dictionary: Hover over words in subtitles to see instant definitions, pronunciation, and usage examples.
Subtitle Control: Easily toggle subtitle visibility and switch between different subtitle tracks.
Video Playback Controls: Slow down or pause videos automatically at subtitle breaks to maximize understanding.
Vocabulary Building: Save words and phrases to personalized flashcards or export lists for later study.
Supports Netflix & YouTube: Compatible with popular platforms to access vast amounts of authentic language materials.
Customizable Settings: Adjust subtitle font size, colors, and other interface elements to suit preferences.
Use Cases
Self-Study: Ideal for learners practicing a new language independently using culturally rich audio-visual content.
Supplementary Classroom Tool: Teachers can incorporate Language Reactor into lessons for immersive learning experiences.
Vocabulary Expansion: Users can target specific vocabulary themes by watching genre-specific videos with enhanced subtitle tools.
Pronunciation Practice: Listening to native speakers paired with interactive transcripts supports phonetic learning.
Traffic Statistics
+6.1%vs Last Month
Category:computers electronics and technology > telecommunications
Category:computers electronics and technology > telecommunications
Monthly Visits
1.38M
Global Rank
#35,716
Country Rank (United States)
#44,620
Avg. Duration
2:23
Pages/Visit
3.80
Bounce Rate
42.7%
Category Rank
#162
Monthly Visits Trend
Traffic Sources
Direct66.7%
Search24.6%
Referrals7.5%
Social1.0%
Paid0.2%
Top Countries
#
Country
Share
1
United States
12.4%
2
South Korea
8.1%
3
Turkey
6.5%
4
Japan
6.4%
5
Brazil
6.2%
Data from SimilarWeb • 12/2025
FAQ
Q: Is Language Reactor free to use?
A: Yes, the basic extension is free, offering core features to support language learning.
Q: Which browsers support Language Reactor?
A: It primarily supports Chrome and compatible Chromium-based browsers.
Q: Can I use it with other streaming platforms?
A: Currently, Language Reactor supports Netflix and YouTube; expansion to other services may come in the future.
Q: How do I save vocabulary lists?
A: Users can save words directly from subtitles into built-in flashcards within the extension and export them if desired.
Q: Does it support multiple languages?
A: Yes, Language Reactor supports many target and native languages depending on the subtitles available on Netflix and YouTube.
Language Reactor transforms passive video watching into an active language learning session, giving users tools to understand and retain content efficiently.