Using your debit card in Japan in 2026 is a very viable option, but it requires a strategic approach. While Japan was historically a "cash-only" society, urban centers like Tokyo and Osaka now widely accept international debit cards (Visa and Mastercard) at major retailers, hotels, and convenience stores. The best way to use your debit card is for withdrawing cash from ATMs at 7-Eleven stores (Seven Bank) or Japan Post offices, which generally offer the best exchange rates and are most compatible with foreign cards. When using your card at a terminal or ATM, always choose to be charged in Yen (JPY) rather than your home currency to avoid "Dynamic Currency Conversion" markups. You should notify your bank before departure to prevent your card from being frozen for suspicious activity. However, you should still carry a "backup" amount of physical cash, as many smaller "ramen" shops, traditional ryokans, and local shrines still only accept yen. A wise strategy is to use your debit card for large expenses and ATM withdrawals while keeping a stash of 10,000-yen notes for emergencies and rural explorations.