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eJOY AI Dictionary icon

eJOY AI Dictionary

by eJOY

Education english-learning ai-assistant vocabulary translation video-subtitle pdf-translation review-games summarization
eJOY AI Dictionary icon

eJOY AI Dictionary

by eJOY

Education english-learning ai-assistant vocabulary translation video-subtitle pdf-translation review-games summarization
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Quick Look

eJOY AI Dictionary is a comprehensive English learning tool that translates content, helps save and review vocabulary, and offers AI-powered assistance for understanding and writing.

AI Overview

Who is this for?

English learners seeking to improve comprehension, vocabulary, and writing skills through an integrated, AI-powered platform.

Key Features

  • → Instant translation of words, phrases, and documents
  • → AI-powered explanations, summarization, and writing assistance
  • → Vocabulary saving and review through games and spaced repetition
  • → Bilingual subtitles for videos
  • → Cross-device synchronization

Reviews Analysis

Overall Sentiment

Overwhelmingly Positive

Users highly value eJOY AI Dictionary for its effectiveness in learning English, particularly its translation features, vocabulary tools, and AI capabilities.

Note: AI analysis focuses on the substance and recency of reviews, which may differ from the overall store rating.


What Users Love

  • ✓ Excellent for understanding videos with bilingual subtitles.
  • ✓ Powerful AI features for explaining, summarizing, and rewriting.
  • ✓ Effective for saving and reviewing vocabulary with various games.

Points to Consider

  • × Some users may find the interface slightly complex initially.
  • × Occasional minor bugs or sync issues reported.

Official Description

From the Developer


Your ultimate knowledge and English learning tool to discover the world and upskill yourself. Translate video, websites and PDF.

Look up - save - review vocabulary. Integrate everywhere. Sync across devices.

💧 FEATURES HIGHLIGHTS for LIFELONG LEARNERS

1️⃣ UNDERSTAND EVERYTHING INSTANTLY • Watch videos with bilingual subtitles. • Translate PDF, image-based documents. • Get translation of words, phrases in videos with just one click. • Understand specialized vocabularies with AI dictionary. • Get all details about words: definitions, pronunciation, synonyms, collocations, examples, slang, video context, etc. • Quick search via GIFs, Google, or Wikipedia and other commonly used dictionaries without opening new tabs. • Display translations next to the original text (Inline Translation).

2️⃣ CAPTURE KNOWLEDGE & VOCABULARIES IN VARIOUS FORMATS • Save words, phrases, or paragraphs while surfing content on platforms like YTube, Nflix, Course, PDFs,... • Organize and categorize vocabulary and knowledge based on topics. • Integrate into any favorite websites for lookup and capturing knowledge.

3️⃣ REVIEW - REMEMBER VOCABULARY FOREVER • Review words with 10+ games • Get reminders by spaced repetition algorithms • Track learning progress and word's fluency. • Synchronize data and learning progress with the app on your phone. • Have various game options to improve 4 English skills: Mix Games, Flash Card, Multiple Choice, Rearrangement, Fill in the Blank, Speak, Listening Flash Card.(Some including Youtube videos in the gameplay) • Import your vocabulary list or flashcard sets.

4️⃣ AI ASSISTANT • EXPLAIN: Explain specialized vocabulary, idioms, grammar, or complex sentences. • SUMMARIZE: Summarize videos and texts, even lengthy one-hour videos. • DEEP DIVE: Dig deeper into a concept from the content you are watching or reading the help of AI, giving you suggested questions to fuel your curiosity • REWRITE: Edit your writing according to the tone and style you aim for. • REPLY: Summarize email content and suggest reply content. • GRAMMAR: Explain advanced grammar structures used in the selected paragraph. • DETECT PHRASES: Identify phrases and idioms in the selected text.

💧HOW TO USE • Download the extension from the Chrome Store (Works on Chrome, Cốc Cốc, Microsoft Edge, Brave) • Click on a new word or select a phrase, press the green water droplet icon to look up related information. • Add words to your vocabulary notebook. • Visit the Game Center to review words. • Subscribe to the our YouTube channel for more tutorials: https://www.youtube.com/c/eJOYEnglish/

💧EJOY’S LEARNING ECOSYSTEM

With only one account, you can get access to all products. Your data and learning progress are synced across all platforms. • The extension to watch bilingual videos, translate and save vocab on any websites. • The mobile app to learn English communication with daily short videos and review vocab with interactive games. https://ejo.bz/ejoy-app2. • Web app to practice English skills and learn vocabulary. https://ejoy-english.com/go.

💧ABOUT US Fueled by the belief that learning should be joyful and impactful, eJOY was built to empower us and many learners to unlock our potential through engaging and personalized experiences.

Recognized for excellence, we proudly claimed the first prize at the STARTUP Vietnam contest in 2022 the 3rd prize in the TECHFEST National Startup contest in 2019, a testament to our commitment to delivering exceptional learning outcomes for everyone.

💧CONTACT US • Contact: [email protected] • Connect with eJOY developers in our community: https://discord.gg/8Y5eUZq8BE

Your extension? Let us know if we can update or correct anything!

Key Info

  • Rating:
    4.8/5.0

    5K ratings

  • Users:700,000
  • Version:7.1.11
  • Updated:Oct 27, 2025
  • Developer:Visit Website →

Stats from Chrome Web Store


Add to Chrome / Chromium

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