ATOK キーワードExpress

ATOK キーワードExpress (ATOK Keyword Express) is a Japanese input method and text processing utility developed by Just Systems. It provides intelligent word suggestions, predictive conversion from hiragana to kanji, and keyboard shortcuts for frequently used phrases and characters. The app is designed to help Japanese language users type more efficiently by learning user-specific vocabulary and writing patterns. It integrates with the macOS input system to assist with email composition, document writing, and general text entry in Japanese.