InterSub

Language Learning with Dual Subtitles & AI Translation

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InterSub is an AI-driven tool that turns everyday streaming on YouTube, Netflix, Prime etc. and web-surfing into a powerful language-learning experience.

Key Features

  • Dual Subtitles Display: Watch videos with original and translated subtitles shown simultaneously for deeper comprehension and contextual learning.
  • Instant Word Translation: Hover over any subtitle to get real-time word meanings, lemmas, and pronunciation without pausing the video.
  • AI-Generated Subtitles: Automatically translate missing subtitles in your preferred language for a seamless viewing experience.
  • Smart Vocabulary Builder: Save words and phrases directly from videos, sync with AnkiDroid, or export to Excel for later review.
  • Shadowing Mode: Practice speaking naturally with automatic pauses after each subtitle, giving you time to repeat lines aloud and improve pronunciation and fluency.
  • ChatGPT-Powered Insights: Get AI-driven explanations of idioms, grammar, and slang directly within the subtitle interface.
  • Cross-Platform Compatibility: Works on major streaming and learning platforms like Netflix, YouTube, Prime Video, Crunchyroll, and Coursera.
  • Multi-Language Support: Supports 30+ languages, including right-to-left scripts such as Arabic, Hebrew, and Urdu.
  • Flexible Learning Plans: Choose between free, pay-as-you-go, or premium subscriptions with unlimited translations and vocabulary access.
  • Mobile Sync: Access saved words through connected apps and bots — learn on the go via AnkiDroid or Telegram.
  • Quick Setup & Intuitive Use: Install the browser extension, set your translation language, and start learning instantly.

Benefits

  • Learn Languages Naturally: Transform your regular movie or course watching as well as web-surfing into an immersive language-learning experience.
  • Speak with Confidence: The Shadowing Mode turns passive watching into active speaking practice, helping you train pronunciation and rhythm effortlessly.
  • Save Time While Learning: No more pausing, switching tabs, or manual lookups - everything happens in real time on screen.
  • Retain Vocabulary Faster: Build, organize, and review personalized vocabulary lists effortlessly.
  • Understand Cultural Nuances: Decode slang, idioms, and tone with Dual subtitles or AI explanations tailored to real-world usage.
  • Stay Motivated Through Entertainment: Learn from your favorite shows, videos and websites, keeping the process enjoyable and consistent.
  • Accessible for All Skill Levels: Fits from beginners to advanced learners.
  • Ultimate Flexibility: Choose how, when, and where to study - across any supported video platform or website.
  • Affordable and Transparent: Get premium learning tools starting at just $1.5/month with flexible, no-commitment pricing.

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