Hover to Look Up Any Word
Hold a modifier key and hover over any English word for instant definitions. Save to cloud wordbook, review with SRS, and learn smarter.
Core Features
A comprehensive word lookup tool for English learners
Hover Lookup
Hold a modifier key and hover over any English word for instant definitions. No app switching needed.
WordBase Cloud Wordbook
Save new words to cloud wordbook with multi-device sync. Never lose your vocabulary.
SRS Spaced Repetition
Smart review algorithm based on forgetting curve for efficient memorization.
AI Definitions
Context-aware definitions powered by AI for deeper understanding.
Fireworks Effect
Celebrate every new word with fireworks. Make learning rewarding.
Offline Dictionary
Built-in ECDICT offline dictionary. Look up words without internet.
Get Started in 3 Steps
From install to lookup in 30 seconds
Install Extension
Install WordPicker from Chrome Web Store or Safari Extensions
Hover to Look Up
Hold modifier key and hover over any English word on any webpage
Save & Review
Click save to sync words to WordBase and start SRS review
Real Use Cases
Look up words while reading docs, papers, and code
Reading Documentation
Hover over terms while browsing MDN, Stack Overflow
Academic Papers
Quickly look up words while reading arXiv papers without breaking flow
GitHub Code Review
Hover over unfamiliar words in comments and docs during PR review
News Reading
Instant word lookup while reading BBC, Reuters, and more
Comparison with Alternatives
Why choose WordPicker
| Feature | WordPicker | Other Lookup Extensions | Online Writing Tools |
|---|---|---|---|
| Hover Lookup | ✓ | ✓ | ✗ |
| Cloud Wordbook | ✓ | ✗ | ✓ |
| SRS Review | ✓ | ✗ | ✗ |
| AI Definitions | ✓ | ✗ | ✓ |
| Fireworks Effect | ✓ | ✗ | ✗ |
| Offline Dictionary | ✓ | ✓ | ✗ |
| Safari Support | ✓ | ✗ | ✗ |
| Completely Free | ✓ | ✓ | ✗ |
Frequently Asked Questions
Common questions about WordPicker