InterSub is an innovative subtitle translation tool designed for language learners, integrating seamlessly with popular video platforms like Netflix, YouTube, and Coursera. It offers dual subtitle displays, allowing users to view original and translated text simultaneously. Key features include real-time translation of words and phrases, AI-generated dual subtitles for clarity, and an AI Language Buddy that answers questions about grammar and usage directly during video playback. The program supports over 30 languages, making it versatile for diverse learning needs.

Additionally, InterSub provides users with the ability to save vocabulary, sync with learning apps like AnkiDroid, and export word lists for offline study. The subscription-based model includes a free plan with limited lookups and premium options for unlimited access. With advanced features like real-time insights and support for right-to-left languages, InterSub is tailored for students, professionals, and anyone looking to enhance their language skills through engaging video content.