The Best Chrome Extensions for English Learners in 2026
Explore top Chrome extensions for English learners: vocabulary, grammar, and seamless integration to boost your language skills.
The Best Chrome Extensions for English Learners in 2026
You don't need a separate app to practice English — half your day is in Chrome already. Imagine improving your vocabulary and grammar while browsing your favorite websites or watching videos. Chrome extensions can help you learn English without changing your habits. Let's look at some of the best Chrome extensions for English learners in 2026.
What Makes a Good Language Extension?
When choosing a Chrome extension for learning English, consider these three important things:
Saves Vocabulary in Context: It's important to remember new words and phrases in the right context. This helps you understand and use them correctly.
Doesn't Break Your Flow: The extension should work smoothly without interrupting your browsing or watching experience.
Works on Every Site: You should be able to use it on all websites you visit, from news sites to social media.
Best Chrome Extensions for English Learners
Blindspot — Best for Vocabulary and Grammar in One
Description: Blindspot is the only extension on this list that combines vocabulary saving with grammar checking and syncs with the AI chats you use elsewhere.
What It Does Well: Blindspot helps you learn new words and corrects your grammar mistakes all in one place. It's perfect for people who want to improve both vocabulary and grammar. The words you save here sync with your ChatGPT/Claude sessions via MCP.
What's Missing: While it's great for vocabulary and grammar, Blindspot doesn't focus on video content.
Free/Paid: Free.
Link: Install Blindspot
Trancy — Best for Video Learners
Description: Trancy provides AI bilingual subtitles for YouTube and Netflix. It's ideal for people who learn through videos.
What It Does Well: With Trancy, you can watch your favorite shows and movies with subtitles in two languages. It helps you learn vocabulary in context while enjoying video content.
What's Missing: Trancy focuses on video content, so it's not as useful for browsing or reading.
Free/Paid: Free with some paid features.
Link: Trancy on Chrome Web Store
eJOY AI Dictionary — Best for Contextual Learning
Description: eJOY AI Dictionary helps you learn vocabulary while watching videos. It's strong on contextual learning.
What It Does Well: This extension lets you click on words or phrases while watching videos to see their meanings. It helps you understand how words are used in real-life situations.
What's Missing: eJOY is best for video content, so it may not be as helpful for reading text-heavy websites.
Free/Paid: Free with additional paid features.
Link: eJOY AI Dictionary on Chrome Web Store
Readlang — Best for Reading
Description: Readlang is a reading-first extension that translates phrases and saves them to flashcards.
What It Does Well: It helps you translate words or phrases while reading web content. You can save these translations to flashcards for later review.
What's Missing: Readlang is not focused on grammar correction.
Free/Paid: Free with premium options.
Link: Readlang on Chrome Web Store
Reverso Context — Best for Strong Examples
Description: Reverso Context provides vocab lists and syncs with mobile. It offers strong examples for understanding.
What It Does Well: It gives context examples for words, which helps understand how to use them in sentences.
What's Missing: Reverso Context is not primarily a grammar checker.
Free/Paid: Free with premium features.
Link: Reverso Context on Chrome Web Store
Toucan — Best for Beginners
Description: Toucan passively replaces words on websites with translations. It's best for absolute beginners.
What It Does Well: As you browse, Toucan replaces some words with their translations, helping you learn new vocabulary passively.
What's Missing: Toucan does not offer grammar correction or detailed context.
Free/Paid: Free with optional paid features.
Link: Toucan on Chrome Web Store
LanguageTool — Best Free Grammarly Alternative
Description: LanguageTool is a grammar check extension, open-source, and supports 25+ languages.
What It Does Well: It checks your grammar in multiple languages, making it a great free alternative to Grammarly.
What's Missing: LanguageTool is focused on grammar and does not include vocabulary features.
Free/Paid: Free with premium options.
Link: LanguageTool on Chrome Web Store
Grammarly — Best for Comprehensive Grammar Checking
Description: Grammarly is the king of grammar checking, known for its comprehensive features.
What It Does Well: Grammarly offers detailed grammar, spelling, and style checks, making your writing clear and professional.
What's Missing: For learners, Grammarly might be more than you need, and it's not free.
Free/Paid: Premium required for full features.
Link: Grammarly on Chrome Web Store
Vocably — Best for Flashcard Creation
Description: Vocably lets you create SRS flashcards from selected text.
What It Does Well: This extension helps you make flashcards from text you select, perfect for memorizing new vocabulary.
What's Missing: Vocably doesn't focus on grammar.
Free/Paid: Free.
Link: Vocably on Chrome Web Store
HighVocab — Best for Sentence Rephrasing
Description: HighVocab offers flashcards and sentence rephrasing.
What It Does Well: It helps you learn vocabulary with flashcards and shows how to rephrase sentences.
What's Missing: HighVocab is less focused on grammar checking.
Free/Paid: Free with some paid features.
Link: HighVocab on Chrome Web Store
Comparison Table
| Extension | Saves Vocab | Grammar | Syncs Across Devices | Free |
|---|---|---|---|---|
| Blindspot | Yes | Yes | Yes | Yes |
| Trancy | Yes | No | Yes | Yes |
| eJOY AI | Yes | No | Yes | Yes |
| Readlang | Yes | No | Yes | Yes |
| Reverso Context | Yes | No | Yes | Yes |
| Toucan | Yes | No | Yes | Yes |
| LanguageTool | No | Yes | Yes | Yes |
| Grammarly | No | Yes | Yes | No |
| Vocably | Yes | No | Yes | Yes |
| HighVocab | Yes | No | Yes | Yes |
Conclusion: Which One to Choose
- If you learn from videos: Trancy + Blindspot
- If you write a lot online: Blindspot + LanguageTool
- If you just want a translator: Toucan
- If you want everything in one: Blindspot
For a comprehensive approach, install the Blindspot extension to save words and fix grammar from any website. Connect it to ChatGPT to keep your vocabulary across every AI chat. Both free.
Quick Summary / Cheat Sheet
- Blindspot: Vocabulary + grammar, AI sync
- Trancy: Bilingual subtitles for videos
- eJOY AI: Vocab learning in videos
- Readlang: Translates and saves phrases
- Reverso Context: Vocab examples and sync
- Toucan: Translates words passively
- LanguageTool: Free grammar checker
- Grammarly: Comprehensive grammar, paid
- Vocably: SRS flashcards from text
- HighVocab: Flashcards and rephrasing
FAQ
Q: Can I use more than one extension at the same time? A: Yes, you can use multiple extensions together to cover different aspects of language learning, like vocabulary and grammar.
Q: Are these extensions safe to use? A: Yes, all the extensions listed are available on the Chrome Web Store, which ensures a level of security and reliability.
Q: Is there a cost to using these extensions? A: Most of these extensions offer free versions, but some have premium features that you can pay for if you need them.
Q: How can Blindspot help me with AI chat tools? A: Blindspot syncs with AI chat tools like ChatGPT, helping you keep track of your vocabulary across different platforms. This unique feature can help you discover grammar blind spots and improve your writing skills.