Endu Lens

Endu Lens helps you learn English through real sentences and personalized vocabulary quizzes.

Capture English sentences from books, worksheets, class materials, or screens.
Check the sentence with its Korean meaning, choose the words you want to study, and save them as your own quiz set.

Instead of memorizing words alone, Endu Lens helps you learn vocabulary inside real sentences, making your study more natural and memorable.

Main Features

* Capture English sentences and use them for study
* Check English and Korean sentences together
* Choose words from a sentence and create your own quiz
* Save and replay your personal quiz sets
* Review wrong answers with a wrong-word notebook
* Practice with 1,000 recommended sentences
* Learn step by step from A1 to A4
* Import your own quiz data in bulk with CSV files
* Export CSV files to manage and share your quizzes
* Turn class notes, textbooks, and study materials into personal quizzes

Recommended For

* Learners who want to study vocabulary through sentences
* Students who prefer sentence-based English learning
* Anyone who wants to turn textbook sentences into quizzes
* Teachers or learners who want to organize study materials
* Users who want to manage many quiz questions with CSV files
* Learners who want to review words repeatedly with their own examples

Endu Lens is more than a vocabulary list.
It lets you bring in English sentences, choose the words that matter, and turn them into your own quizzes for repeated practice.

Capture, choose, and review.
Make every English sentence your own learning material with Endu Lens.