Trancy
Trancy is a browser extension and app that provides AI-powered bilingual subtitles for videos (YouTube, Netflix, etc.), webpage translation, and personalized language-learning tools to help users practice listening, speaking, vocabulary, and grammar across multiple languages.
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Best for: Creative & Design
What it does
Education software for decision-makers comparing workflow fit and alternatives.
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Trancy
Trancy is an immersive AI language-learning platform delivered primarily as a browser extension and downloadable app. It focuses on providing accurate bilingual subtitles for streaming and educational video platforms (YouTube, Netflix, HBO Max, TED, edX, Coursera and more), plus AI-powered webpage text selection translation and full-text immersive translation. The product is aimed at language learners who want to improve listening, speaking and reading comprehension by combining video content, automated translations, vocabulary building and NLP-based grammar analysis.
Trancy combines multiple translation engines and AI capabilities (including integrations with OpenAI and other engines) to offer features such as reading-mode subtitles, sentence segmentation, part-of-speech tagging, word lookup, and lifelike text-to-speech. Users can create personalized learning decks, save sentences and videos to review later, and customize subtitle appearance and playback for a focused study experience.
Trancy is a browser extension and app that provides AI-powered bilingual subtitles for videos (YouTube, Netflix, etc.), webpage translation, and personalized language-learning tools to help users practice listening, speaking, vocabulary, and grammar across multiple languages.
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Claim this listingKey Features
AI Bilingual Subtitles
Real-time bilingual subtitles for videos on platforms like YouTube, Netflix, HBO Max, TED, edX and Coursera to help learners follow content in both source and target languages.
Subtitle Reading Mode
A reading-focused mode that reduces the video display and presents subtitles as continuous text for concentrated reading and quick summarization.
AI Word Lookup
Instant word lookup powered by OpenAI to retrieve definitions, usage examples, and explanations without leaving the page.
AI Grammar Analysis
Syntactic analysis of complex sentences to help users understand sentence structure, key phrases, and grammar points.
Intelligent Sentence Segmentation
NLP-driven reorganization of disordered subtitle fragments into coherent sentences to improve translation accuracy and readability.
Listening & Speaking Practice
Tools and workflows that encourage daily listening and oral reading practice using video content and integrated TTS/speech recognition.
Webpage AI Text Selection Translation
Select text on webpages to get quick sentence-level translations, part-of-speech tagging, and the ability to save words and examples for review.
Full-Text Immersive Translation & Bilingual Page Reading
Compare original and translated text in-place without leaving the page; supports quick translations via right-click or shortcuts for undisturbed reading.
Custom Translation Engine Selection
Choose among translation engines such as Google, DeepL, Microsoft, and OpenAI to match user preference and quality expectations.
Learning Decks & Study Tools
Create personalized learning decks, save favorite sentences and videos (Watch it later), and organize study material for spaced review and real-life application.
Lifelike Text-to-Speech
Natural-sounding TTS voices to improve pronunciation and oral practice.
Speech Recognition
Speech recognition features to practice pronunciation and listening skills with feedback.
Playback Speed & Subtitle Customization
Adjust video playback speed and subtitle font/style/size to improve comprehension and accessibility.
External Dictionary Access
Integrate external web dictionaries for more detailed, professional word lookups.
Keyboard Shortcuts
Comprehensive keyboard shortcuts for fast access to translation, lookups, bookmarking and other learning features.
Pricing
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Use Cases
Learn languages with authentic video content
Use bilingual subtitles and reading mode on YouTube, Netflix, TED and online courses to study real spoken language in context and practice listening and speaking.
Deep reading and article comprehension
Translate selected webpage sentences or the full text in-place to compare original and translated versions for better reading comprehension.
Vocabulary building and review
Highlight unknown words from subtitles or webpages, save them to personalized decks, and review with example sentences and spaced practice.
Grammar and sentence-structure study
Use AI grammar analysis, sentence segmentation and POS tagging to break down complex sentences and understand grammatical relationships.
Self-study and course supplement
Complement language courses with curated videos and saved materials (Watch it later) to create a tailored learning plan.
Integrations
OpenAI
Used for AI-powered word lookup, syntactic analysis and advanced language processing.
Google Translate
Available as a selectable translation engine option for text and subtitle translation.
DeepL
Offered as a high-quality translation engine choice for users who prefer DeepL's translations.
Microsoft Translator
Another selectable translation engine option to suit user preferences for translation output.
Streaming & Learning Platforms (YouTube, Netflix, HBO Max, TED, edX, Coursera)
Directly supports bilingual subtitles and reading-mode workflows on many popular video and educational platforms.
Social & News Sites (e.g., Twitter)
Customized support and special handling for various news sites, forums and social media platforms for better translation and display.
External Web Dictionaries
Connect to external dictionaries for deeper, professional word lookups when researching vocabulary.
Benefits
Limitations
Frequently Asked Questions
Which websites and platforms does Trancy support?
Can I choose which translation engine Trancy uses?
Does Trancy provide text-to-speech and speech recognition?
Is pricing information available?
Can I translate full webpages?
Getting Started
- 1 Step 1: Install the Trancy browser extension or download the desktop/mobile app from the Trancy website.
- 2 Step 2: Open a supported video or webpage (YouTube, Netflix, TED, edX, Coursera, etc.) and enable bilingual subtitles or use right-click/shortcuts to translate text.
- 3 Step 3: Use reading mode, highlight unknown words to add them to your deck, and enable AI grammar analysis or TTS/speech recognition to practice listening and speaking.
Support
Contact page
General inquiries and support via the Trancy contact page: https://trancy.org/contact
Privacy & Terms
Policy and legal information available via the site's Privacy Policy and Terms of Use links.
Download / Extension pages
Browser extension and app download links available from the Trancy website for setup and troubleshooting.
API
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