InterSub AI

InterSub AI

InterSub AI is a browser-based interactive bilingual subtitle tool that provides intelligent subtitles and instant translations for online videos, helping you learn languages immersively while watching.
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Features of InterSub AI

Display real-time bilingual subtitles on supported video platforms with support for multiple languages.
Tap or click words or phrases in subtitles to receive AI-powered instant translations and definitions.
Automatically save queried words to your personal vocabulary notebook for easy management and review.
Includes an AI language assistant to help answer language-learning questions.
Supports major streaming and educational platforms such as YouTube, Netflix, Coursera, and more.

Use Cases of InterSub AI

Language learners viewing foreign-language videos to see bilingual subtitles in real time and look up new words.
Online course students watching instructional videos on learning platforms, to help understand technical foreign-language content.
Test-takers using target-language films and shows to practice immersive listening and vocabulary building.
Foreign language teachers using the tool to quickly obtain bilingual references of video content for teaching or lesson preparation.

FAQ about InterSub AI

QWhat is InterSub AI?

InterSub AI is a browser-based, interactive bilingual subtitle tool designed to help users learn languages by watching online videos.

QHow much does InterSub AI cost?

The tool is available for free installation and use with core features. There is also a usage-based plan that offers more word lookups and AI assistant requests.

QWhich video platforms does InterSub AI support?

Supports YouTube, Netflix, Amazon Prime Video, Disney+, TED, Coursera, Udemy, LinkedIn Learning and other mainstream streaming and educational platforms.

QDo I need to install software to use InterSub AI?

You need to install a browser extension compatible with Chrome, Edge, Firefox and other major browsers, available from the official website or extension stores.

QWhat languages does InterSub AI support?

It supports learning English, Spanish, Ukrainian, Russian, and more than 30 languages, including right-to-left scripts.

QWhat is the Vocabulary Notebook feature?

This feature automatically saves words you've looked up to your personal vocabulary notebook and provides weekly high-frequency word reminders to help reinforce vocabulary.