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.