Wordbook is a free Chrome extension developed by sergharutyunyan96. It falls under the category of Browsers and is classified as an Add-ons & Tools subcategory.

Wordbook aims to enhance your YouTube experience by providing easy access to word definitions, allowing you to build a personal dictionary, and translating video captions in real-time. With this extension, you can seamlessly expand your vocabulary and understanding while watching YouTube videos.

The extension integrates seamlessly into the YouTube interface, providing a user-friendly experience. It allows you to simply hover over any word in the video captions to instantly view its definition. Additionally, you can save unfamiliar words to your personal dictionary for future reference.

Wordbook is a valuable tool for language learners, students, or anyone looking to expand their knowledge while enjoying YouTube content. It is a convenient and efficient way to enhance your learning experience without the need for external resources or interruptions.