WordBlock
Break words. Unlock meaning.
WordBlock is a Chrome extension for English vocabulary learning. Select or double-click an English word on any webpage to see definition, etymology hints, morpheme breakdown, and optional AI explanation.
Core Features
- Instant word card on text selection
- Definition lookup (local-first, online fallback)
- Etymology hints from online sources
- Prefix/root/suffix breakdown for memory
- Optional AI explanation with configurable providers
- Lookup history and favorites in popup
Permissions & Data Use
storage: saves local cache, history, favorites, and user AI settings.- Host permissions: used to run lookup on user-triggered selection and call dictionary/AI endpoints.
- No ad targeting and no sale of personal data.
For full details, read the Privacy Policy.
How to Use
- Install WordBlock from Chrome Web Store.
- Select or double-click an English word on any page.
- Open extension popup to review history and favorites.
- Open options page to enable AI and configure your own API key.