Learn English While Watching YouTube

Learn English
from YouTube Videos

Our mission is to make learning English easier and more fun for everyone.

Get Started FreeWatch Demo
🎯
One-Click Save
Save words from videos instantly
📱
Learn Anywhere
Review on iOS & Android
🧠
Smart Review
Auto-scheduled by SRS system

Everything You Need to Learn English

Watch videos, save words, review anywhere. The complete learning system built for YouTube learners.

Built-in YouTube Sidebar

Watch videos while seeing subtitles and translations right next to the player. One click to save any word or sentence you want to learn.

No switching tabs, everything in one place

Jump Back to Video Instantly

Every saved word or sentence remembers exactly where it came from. Tap to jump back to that moment in the video and hear it again.

Context helps you remember better

Cloud Sync & Mobile App

All your saved words sync to the cloud. Review them anytime on iOS or Android. Learn on the go, whether you're commuting or waiting in line.

Your learning never stops

Built-in Word Lists

Includes COCA word frequency lists, IELTS, and TOEFL vocabularies. Focus on learning the words that matter most for your goals.

Learn the right words, not random ones

Smart Review System (SRS)

Our system automatically schedules reviews based on how well you remember each word. Review just before you forget - the most efficient way to learn.

Science-backed learning method

How It Works, Simple & Intuitive

Start learning English from YouTube videos in four simple steps

01

Watch YouTube Videos

Just open any YouTube video. Our sidebar appears automatically with subtitles and translations.

02

Save Words Instantly

See a word you want to learn? Click once to save it. No copy-paste, no note-taking apps needed.

03

Review on Your Phone

All your saved words sync to your phone. Review them anytime, anywhere - perfect for your daily commute.

04

Jump Back to Video

Tap any saved word to jump back to that exact moment in the video. See and hear it in context again.

Tech Stack, Powerful & Reliable

Modern tech stack ensures smooth user experience and excellent performance

Frontend Technology

  • Chrome Extension API
  • Manifest V3
  • JavaScript ES6+
  • Responsive CSS

Backend Integration

  • FastAPI
  • RESTful API
  • MySQL
  • Async Processing

Core Features

  • Modular Design
  • Event-Driven Architecture
  • State Management
  • Caching Mechanism

Performance Optimization

  • Smart Caching
  • Debounce Handling
  • Async Loading
  • Lifecycle Management

Architecture Features

Modular Design

Event-Driven

State Management

Caching Mechanism

Coming Soon!

Join the waitlist and be the first to know when we launch!

Free to Use • Cloud Sync • iOS & Android Apps Coming Soon