Airport WiFi (FREE, unlimited)
Narita, Haneda, Kansai, Chubu — all offer free WiFi with 1-click T&C. Speeds 20-50 Mbps. Use for booking hotel pickup, Google Maps, but slow for video streaming.
2026-03-18 · WiFi
日本の無料WiFi — どこでどうつなぐ
Tokyo Free WiFi、セブン、スタバ、JR東、メトロ。登録方法と制限。
7-Eleven "7SPOT" — FREE 60 min
Register once at 7-eleven.co.jp/wifi using email. Valid across all 20,000+ 7-Eleven stores. 60 min per session, renewable. Good for quick map/message checks while walking.
Starbucks "at_STARBUCKS_Wi2"
Open, no registration. 1-click T&C. Speed 10-30 Mbps. Available in all Japan Starbucks. Limit 1 hour per session — reconnect for more.
JR East Train Stations
"JR-EAST_FREE_Wi-Fi" at major JR East stations (Tokyo, Shinjuku, Shibuya, Ueno…). 3 hours per session, renewable. Email registration.
Tokyo Metro
"Metro_Free_Wi-Fi_oneClick" at all Tokyo Metro stations. Works inside trains for some newer trains (2020+). Very limited on older Ginza/Marunouchi cars.
Why eSIM still wins
Free WiFi is patchy and slow. Good for emergency or supplementing a data plan — not for relying as your only connection. eSIM unlimited for 5 days = $11 < hassle of WiFi hunting.
📱 eSIMプランを見る →
QRスキャン5分設定・24時間前まで無料キャンセル・Zalo/LINE 16時間サポート
