Features
One vocabulary system across watching and reading.
Start where you encounter English, keep the context, and review only what matters.
Learn while watching
Turn YouTube captions into an English learning tool
Use enhanced captions, an interactive transcript, bilingual support, and fast word lookup without leaving the video.
Understand real usage
Look up words and hear how people actually use them
Start with a concise explanation, then compare pronunciation and meaning across authentic YouTube examples.
Remember what matters
Save useful vocabulary and review it in context
Build a focused word library and practice with flashcards that stay connected to the examples where you found them.
Read without interruption
Read EPUB books with lookup and listening built in
Open an ebook, inspect unfamiliar words, listen with text-to-speech, and send useful vocabulary into the same review library.