Personal Vocabulary Extension
Identify and learn new words instantly while reading.
At a glance
Starts at
Free
No paid plan found on the Chrome Web Store, September 2026.
Free tier
No
Platforms
Web
Best for
Self-directed learners, professionals brushing up on English.
Not for
No mobile app, web only
5.0 out of 5
Scored by a Toolio reviewer after real useOur verdict
It excels at real-time word highlighting and context-based learning but lacks advanced grammar correction tools for nuanced sentences.
✓What it does well
Real-time HighlightingQuickly identifies new vocabulary in text.
Context-Based LearningHelps understand word usage through context.
Anki IntegrationAutomatically generates flashcards for memorization.
✕Where it falls short
No Advanced Grammar CorrectionsDoes not provide in-depth grammar analysis beyond basic corrections.
Limited Offline FunctionalityRelies on internet access; no offline mode available.
Requires Keyboard ShortcutsDepends on specific keyboard shortcuts for full functionality.
Key features
TranslationOffers real-time translation of words and phrases.
Pronunciation GuidanceProvides audio guidance for word pronunciation.
Dependency AnalysisAnalyzes sentence structure to aid in grammar learning.
Offline ModeAllows use without internet connection.