Show HN: Context-aware Japanese furigana using Sudachi and ModernBERT

EZFurigana is a web-based tool that automatically adds furigana (phonetic readings) to Japanese text across multiple formats including PDFs, images, EPUBs, and subtitles using Sudachi analysis and ModernBERT for context-aware accuracy. The tool achieves 98.8% reading accuracy and offers customizable output options such as hiragana, katakana, or romaji, with JLPT-level filtering to control which kanji receive readings. Uploaded files are not stored and are automatically deleted within 24 hours, with a browser extension available for adding readings while browsing websites.