Vocabu Cards is a free Chrome extension developed by tsundokum. It falls under the category of Browsers and is classified as an Add-ons & Tools subcategory. This extension simplifies the study of foreign words and phrases by providing inline translations and utilizing the spaced repetition method for learning.

With Vocabu Cards, you no longer have to switch tabs to translate words or phrases while browsing. The extension translates them inline, making the learning process more seamless. Additionally, translated words and phrases can be learned using the spaced repetition method, which has been proven to enhance long-term memory retention.

Some other notable features of Vocabu Cards include the ability to make repetitions on mobile devices, translation support for over 100 languages using Google Translate, automatic translation between the learning and native language, and the option to organize translated words and phrases into shareable lists. Furthermore, you can download words and phrases for repetition from your Google Translate history or from files like Quizlet.