Rubi — AI Japanese Furigana & Contextual Translation

Rubi is a next-generation browser extension designed for an immersive, interruption-free Japanese reading and learning experience. It automatically injects Furigana into Japanese webpages and offers context-aware AI explanations without breaking your reading flow. ✨ Key Features: - 📖 Full-Page Furigana Injection: Instantly annotate Japanese kanji with Hiragana readings. Filter annotations by your JLPT level (N5 to N1). - 🔍 Word Lookup & Dictionary: Powered by a high-performance offline dictionary with deinflection support for conjugated verbs. - 🧠 Context-Aware AI Explanation: Long-press any word or selection to bring up a floating card with detailed grammatical explanations and contextual definitions. - ⌨️ Inline Paragraph Translation: Translate entire paragraphs inline. The translation is elegantly injected directly below the original text block using a semi-transparent style. - 🗣️ Multi-Engine Text-to-Speech (TTS): Hear native pronunciations with support for Microsoft Edge Neural TTS, Google Translate TTS, and Voicevox. - 🎨 Premium Dark UI: Features beautiful HSL-tailored dark modes and gem-inspired color schemes for comfortable long-term reading. Whether you are browsing Japanese social media or reading deep technical articles, Rubi is your ultimate tool to overcome the language barrier.