Language Reactor
Language Reactor is a freemium browser extension that overlays dual-language subtitles on Netflix and YouTube, with instant dictionary lookups, color-coded vocabulary, PhrasePump drills, and Anki export for learners.
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Key Features
Dual-Language Subtitles
Real-time target and native subtitles on Netflix and YouTube for context.
Hover Dictionary
Instant pop-up definitions, synonyms, and pronunciations during playback.
Color Vocabulary
Color-codes words by frequency to signal new versus known vocabulary.
PhrasePump Exercises
Drills saved phrases with fill-in-the-blank and multiple-choice listening tasks.
Anki Export
Export vocabulary and video context directly to Anki flashcards.
Playback Controls
Auto-pause, speed adjust, and sentence looping for focused review.
Turtle TV Library
Curated native-speaker content organized by vocabulary difficulty levels.
Text & E-book Support
Import static text with machine translation overlays and realistic TTS.
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Why Choose Language Reactor
Anki Integration:
Exports subtitle context to Anki for seamless spaced-repetition workflows.Free-First Model:
Provides core dual-subtitle and dictionary features without upfront payment.Difficulty Filtering:
Filter content by vocabulary frequency bands to match proficiency levels.Lightweight Extension:
Small install size delivers responsive performance on older machines.
Pricing
Language Reactor uses a freemium model: a free tier provides dual-subtitle and basic dictionary features. Pro costs $5/month or $72/year (≈$6/month) and unlocks machine translation, word saving, PhrasePump, and full vocabulary management. A 17% discount code (KRANG) is available for logged-in users.
About Language Reactor
Language Reactor is a freemium browser extension that overlays dual-language subtitles on Netflix and YouTube, with instant dictionary lookups, color-coded vocabulary, PhrasePump drills, and Anki export for learners.
What Language Reactor Does
Language Reactor injects dual-language subtitles into Netflix and YouTube to help learners read and listen simultaneously. Learners hover or click words for instant definitions, synonyms, pronunciations, and AI-generated contextual explanations without interrupting playback.
The tool color-codes vocabulary by frequency, lets users save words to custom lists, drills saved phrases via PhrasePump exercises, supports text/e-book translation with TTS, and exports cards to Anki for spaced-repetition study.
Pros & Cons
Anki Quality
Community-rated smooth subtitle-to-Anki export pipeline.
Level Filtering
Search and filter videos by vocabulary frequency bands.
Lightweight
Small extension size installs quickly and runs well on older machines.
Free Features
Substantial free functionality including dual subtitles and basic dictionary.
No Mobile
Only available as a desktop Chrome/Edge extension; no iOS/Android apps.
Basic Chatbot
Built-in conversational bot has limited adaptive intelligence.
Platform Scope
Focused on Netflix, YouTube, and Turtle TV; lacks wider platform support.
Frequently Asked Questions
Language Reactor's free tier provides dual-subtitle overlays on Netflix and YouTube plus a hover dictionary; machine translation and word-saving are limited after the trial period.
Language Reactor's Pro plan costs $5/month or $72/year (≈$6/month) and unlocks machine translation, word saving, and full PhrasePump access; a 17% discount code KRANG is available for logged-in users.
Language Reactor works on Netflix by overlaying dual subtitles and offering instant dictionary lookups; it also supports YouTube and the Turtle TV curated library.
Language Reactor does not have iOS or Android apps; it functions as a desktop browser extension for Chrome and Edge only.
Language Reactor focuses on subtitle analysis, Anki export, and a lightweight desktop experience, while Trancy emphasizes broader AI features, speaking coaching, and mobile support.
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