Stay Connected in the Land of the Rising Sun
Exploring Japan? Whether you’re riding the bullet train to Kyoto, capturing cherry blossoms in Tokyo, or hiking Mt. Fuji, eSimy’s Japan eSIM delivers fast, reliable mobile data with no physical SIM or paperwork required.
We connect you to top Japanese networks like NTT Docomo, SoftBank, and KDDI (au) for 4G/5G coverage throughout Japan — even in rural and mountainous areas.
With instant email delivery and hotspot support, it’s the most convenient way to stay online during your Japan trip.
Instant mobile data across Tokyo, Kyoto, Osaka & beyond
4G/5G Coverage
Instant Activation
Secure Connection
Nationwide Coverage
Japan eSIM
Connected
Choose the perfect plan for your Japan adventure
/ 7 Days
/ 30 Days
/ 30 Days
/ 30 Days
/ 30 Days
All plans include 4G/5G coverage across Japan • No contracts • Instant activation
Choose from range of multiple countries/packages.
Easy activation with email details or our intuitive website dashboard.
Have the best trip possible without internet hassles.
Tokyo, Osaka, Kyoto, Hiroshima, Fukuoka, Sapporo, Okinawa — plus full access in rural towns and along bullet train routes.
Enjoy superior speeds on NTT Docomo, KDDI (au), and SoftBank, Japan’s top-tier carriers.
1–3 GB for short stays, 5–10 GB for travel and social use, 20 GB+ for long trips or remote work.
Common questions about using eSIM in Japan
Yes, you can activate it as soon as you receive the QR Code via email — even before departure.
No, the eSIM is fully activated online and does not require ID so its KYC Free instant activation with your name, surname, email, address and phone number.
Can't find your destination? We cover 190+ countries worldwide.
View All Destinations