Hyuhak — Learn Hanja Radicals

Hyuhak helps you learn Hanja (Chinese characters used in Korean) the restful way — by understanding structure instead of brute-force memorizing. ■ Structured learning from radicals Built on the 214 Kangxi radicals: radical to character to word. Understand why each character looks the way it does through its origin story. ■ SRS spaced repetition An SM-2 based schedule brings each character back right before you'd forget it — long retention for little effort. Optional daily review reminders. ■ Solid content · 9,500+ character dictionary with fast search · 214 Kangxi radicals and the characters built from them · Per-character etymology stories · Browse by exam level: Hanja exam, JLPT, HSK, TOCFL ■ Light and private Start instantly — no account, no login. No internet connection required; your learning data stays on your device and never leaves it. No ads. No data collection. Meet your first character today.