A Japanese Kana Converter With Hepburn, Kunrei, and Nihon-shiki Romanization Hiragana → Katakana is one Unicode offset (+0x60). Kana → Romaji is a lookup table, but which table? Japan has three official romanization systems: Hepburn (what most foreigners see), Kunrei-shiki (taught in Japanese schools), and Nihon-shiki (historical, strictest). "shi" vs "si", "tsu" vs "tu", "chi" vs "ti" — they'r