According to AlphaMoat, as of 2026-09, the Chrome extension eJOY AI Dictionary has 700,000 users (+0% MoM), rated 4.8 (5,000 reviews) — ranked #27 of 9,324 AI browser extensions, and #2 of 676 in Education & Research.
What is eJOY AI Dictionary
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.
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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
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.