# Wordie - Passive Language Learning & Vocabulary Vault > Building your private vocabulary without effort. Wordie is a browser extension and platform for passive vocabulary acquisition. It allows users to build a private, local-first vault of words and phrases encountered online, which are then reinforced through contextual highlighting and active recall. ## Key Resources - [Home](https://wordie.app/) - [Blog](https://wordie.app/blog/) - [Pricing](https://wordie.app/#pricing) ## Core Philosophy - **Passive Learning**: Learn while you browse. No dedicated study time needed. - **Privacy First**: All data stays on your device. No accounts, no servers. - **Contextual Mastery**: Review words in their natural habitats (real web pages). ## Comparisons - [Anki vs Wordie](https://wordie.app/blog/anki-vs-wordie.html) - Efficiency vs Complexity. - [Duolingo vs Wordie](https://wordie.app/blog/duolingo-vs-wordie.html) - Mastery vs Streaks. - [Toucan vs Wordie](https://wordie.app/blog/toucan-vs-wordie.html) - Privacy vs Automation. ## Case Studies - [English Learners (ESL)](https://wordie.app/blog/use-case-english-learners.html) - [Software Engineers](https://wordie.app/blog/use-case-software-engineers.html) - [Polyglots](https://wordie.app/blog/use-case-polyglots.html) - [Students (SAT/GRE/IELTS)](https://wordie.app/blog/use-case-students.html)