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AI subtitles for any YouTube video — dual subtitles, click-to-translate, AI tutor & vocabulary notebook. 50+ languages supported. LingoVersa transforms YouTube into a powerful language learning platform. Generate AI subtitles for any video, translate words instantly, ask questions to an AI tutor, and build your vocabulary — all while watching. Perfect for learning English, Spanish, French, German, Japanese, Korean, and 50+ languages. 🧠 AI Subtitles Generate accurate subtitles for any YouTube video using advanced AI with up to 95% accuracy. 🎭 Dual Subtitles Watch with original and translated subtitles displayed together on screen. 🖱 Click to Translate Click any word to instantly see its translation, pronunciation, and example usage. 🤖 AI Language Tutor Ask questions about words, grammar, or expressions directly from the video context. 📚 Vocabulary Notebook Automatically save new words and review them anytime. 🌎 50+ Languages Works with more than 50 language pairs. 1️⃣ Install LingoVersa 2️⃣ Open any YouTube video 3️⃣ Generate AI subtitles or enable dual subtitles 4️⃣ Click unknown words to see instant translations 5️⃣ Ask the AI tutor about grammar or expressions 6️⃣ Review saved words in your vocabulary notebook With LingoVersa, every video becomes a learning opportunity. ✔ Learn while watching your favorite creators ✔ Understand real conversations and expressions ✔ Expand your vocabulary naturally ✔ No boring exercises or separate apps
Subsentio - Double Subtitles for YouTube
Double subtitles on YouTube: learn languages, train words with translations, personal dictionary, and instant stats. 🚀 Double Subtitles on YouTube Watch videos with subtitles in two languages at once. Learn English or other languages faster while understanding the context better! 🔍 Instant Word Translation Hover over any word in the subtitles to see its translation instantly. Learning languages has never been this easy! 📚 Personal Vocabulary Save words directly while watching videos. All saved words are automatically added to your personal list for easy review. 🎓 Effective Word Practice Train your saved words with flashcards for quick memorization. Practice anytime, anywhere, and improve consistently. 📊 Detailed Progress Stats Track your learned words, completed goals, streaks, and training data. Stay motivated by seeing your progress and achievements! 🔥 Subsentio — Your Ultimate Language Learning Tool Turn YouTube into your personal language tutor. Install the extension today and start learning languages easily and effectively!
LingTube - YouTube Subtitle Translator & Voice
Translate YouTube videos, speech and subtitles: bilingual captions, video transcription, AI dubbing and voice read-aloud. LingTube is a YouTube video speech translation, subtitle translation, and AI dubbing extension. Open a video and start it with one click: LingTube translates foreign-language captions or recognizes speech in videos without captions, then reads/dubs the translation in a natural voice, so you can quickly understand foreign-language YouTube videos without constantly watching subtitles. Ideal for language learning, courses, technical tutorials, news, podcasts, anime, movie clips, and watching during a commute. Key features - YouTube video translation: translate subtitles, speech, and no-caption video content - Bilingual subtitles: translation + original on screen, or translation-only/original-only - AI dubbing / subtitle read-aloud: read translations with Edge TTS or browser voices - No-caption handling: when a video has no captions, automatically convert speech to text, then translate and read it aloud - Context-aware translation: supports Google Translate and OpenAI-compatible APIs to improve understanding of long sentences and specialized content - AI learning: generate vocabulary, grammar, exercises, scoring, and review content - Audio mixing: original video audio and translated voice can play together with separate volume controls - One-click start/stop, with Alt+Shift+V hotkey support - AI video summary / summarizer: after AI is ready, it can use the full translated subtitles and video dialogue to quickly summarize YouTube videos, extract key points, explain technical terms, and find relevant timestamps. Ideal for quickly understanding long videos, course videos, technical tutorials, news, and podcasts. Privacy - Runs only on YouTube pages - Settings are saved in the local browser - Subtitle, translation, and voice requests are sent only to the services you enable extension, plugin
Deep Acquire Language - Bilingual Subtitles, AI Deep Explanations
- **In-depth grammar explanations** – Get clear, context-aware explanations of grammar points (not just a translation). - **Unlimited follow-up questions** – Ask as many follow-ups as you want (words, sentence patterns, grammar) until you fully understand. - **Free third-party AI integration** – Connect your own AI services at no extra cost; pay only your AI provider directly, with zero markup. - **Optimized for YouTube AI subtitles** – Improved layout for YouTube's auto-generated captions, delivering an excellent reading experience even when subtitles are automatically generated. - **Sync Vocabulary to Eudic** – Sync your vocabulary list to Eudic so you can review and reinforce phrases and words you've encountered on mobile. 1. Set the language you want to learn and your current proficiency level to better match your learning needs 2. Open any YouTube video and enable subtitles 3. Start learning with enhanced, interactive subtitles! - Open Settings -> AI Service to configure your own AI service - Open Settings -> Integrations to configure your own Eudic token to sync your vocabulary notebook to Eudic
FluentAI – AI-Powered Dual Subtitles
FluentAI – AI-Powered Dual-Subtitle Language Learning Extension FluentAI turns movies and videos into interactive language lessons. It overlays dual subtitles (original + translation) on Netflix, YouTube, Disney+, and other platforms, so you read and learn simultaneously. Every word is clickable: instant translations, definitions, example sentences, and grammar analysis appear in a popup just like a built-in dictionary. This immersive approach follows the trend of other tools (e.g., Language Reactor, Lingopie) that emphasize “Netflix dual subtitles” and interactive vocabulary. FluentAI goes further by using AI to support all languages (no hard-coded list) and syncing subtitles precisely with the audio. * Dual Bilingual Subtitles: Works on Netflix, YouTube, Disney+, HBO Max, etc., showing original and translated subtitles together. Instantly look up any subtitle word (click or tap) to get translations, pronunciation, and usage examples. * AI-Powered Translation & Grammar: Unlike simple subtitle-only tools, FluentAI uses AI to translate any language and analyze grammar. Clicking a word also reveals grammar notes and contextual explanations (similar to Lingopie’s AI grammar feature). Sentence breakdowns and AI grammar help make even complex lines easy to understand. * Integrated Vocabulary Notebook & Flashcards: Save words or entire phrases with one click. FluentAI automatically creates smart flashcards (with audio and example sentences) and lets you export them (e.g., to Anki). A built-in notebook organizes saved words with filters and tracks which words you’ve learned (feature-comparable to Migaku’s flashcard system). * Custom Playback Modes: Learning modes like Pause Mode (auto-pause on new words), Voice-Repeat Mode (listen and repeat with AI voice), and Resume Mode help match the video to your study pace. There’s even speed-control and looping to focus on tricky phrases. * Customizable Subtitle Display: Adjust subtitle font, color, size, position, opacity, and background blur. Support for lifelike text-to-speech means FluentAI can read any subtitle out loud in a natural voice – handy for pronunciation practice. * Full-Length, Multi-Language Support: Thanks to AI, FluentAI works on full movies or series in any language, without pre-built subtitle sets. Whether it’s Spanish telenovelas or Korean dramas, FluentAI generates dual subtitles on-the-fly. (Competitor tools like Trancy support many sites and languages, and FluentAI matches that flexibility.) * Progress Tracking & Statistics: FluentAI keeps statistics on your learning – how many words you’ve saved, practiced, or mastered. Use these analytics to see your improvement over time (a feature missing in basic subtitle extensions). Comparison with Other Extensions: FluentAI includes all the core tools of the popular language-learning players and adds extra AI enhancements: * Language Reactor (a.k.a. “Language Learning with Netflix”): Offers dual subtitles on Netflix plus a popup dictionary. FluentAI matches these (covering Netflix and much more) and adds AI-synced subtitles and interactive word analysis on YouTube, Disney+, etc. * Lingopie: Provides smooth bilingual subtitles and clickable word lookups with AI grammar help. FluentAI offers the same instant translation and grammar insights on subtitles, but extends them to all streaming/video sites and languages. * Migaku: Known for its powerful flashcard creation and tracking. FluentAI likewise lets you create flashcards from any video subtitle and export decks (e.g., to Anki), while also providing more playback-learning modes. * Trancy: Supports bilingual subs on YouTube/Netflix and has AI text translation for web content. FluentAI’s focus is on video, but it also handles any site text. On videos, FluentAI provides similar bilingual subtitles plus advanced modes (pause, voice-repeat) not found in Trancy. By combining these features, FluentAI becomes a one-stop solution: Netflix dual subtitles, YouTube dual subtitles, plus interactive word definitions, grammar breakdowns, example sentences, and smart flashcard tools – all in one extension. Try, you’ll like it.
