Nazeka is a powerful Japanese dictionary extension designed for Firefox, aimed at enhancing language learning through efficient text scrubbing and clipboard functionalities. This subscription-based tool allows users to quickly retrieve translations by hovering over text, while also offering automated flashcard creation for vocabulary mining. With a user-friendly interface, it supports customizable hotkeys and features like audio playback for better pronunciation.

While primarily optimized for desktop use, Nazeka also extends its capabilities to Android devices, albeit with experimental support. Users can engage with the dictionary through various input methods, ensuring a flexible learning experience. The tool is particularly beneficial for learners seeking a robust alternative to existing Japanese dictionary extensions, making it a valuable resource in the education and reference category.