Stay Connected with Japan eSIM
With JAPAN-ON-LINE eSIM, enjoy stress-free travel and fast, reliable data on Japan’s top network.
Get an eSIM NowBest eSIM Plans for Japan
30GB Data
8 Days / 30GB $24.17/plan- ￥3,608 (tax incl.)
- After Limit : 200kbps
- High-speed 4G/LTE/5G
- Valid 8 days from activation
- QR code delivered by email
- No contract required
- Japan-wide coverage
50GB Data
16 Days / 50GB $36.70/plan- ￥5,478 (tax incl.)
- After Limit : 200kbps
- High-speed 4G/LTE/5G
- Valid 16 days from activation
- QR code delivered by email
- No contract required
- Japan-wide coverage
100GB Data
31 Days / 100GB $58.81/plan- ￥8,778 (tax incl.)
- After Limit : 200kbps
- High-speed 4G/LTE/5G
- Valid 31 days from activation
- QR code delivered by email
- No contract required
- Japan-wide coverage
Feature
Fast Internet Speeds
Enjoy fast, reliable data speeds on Japan’s high-performance network.
Excellent Data Coverage
Enjoy reliable data coverage across all 47 prefectures in Japan, with 99% nationwide coverage.
Worry-Free Setup
Quick & easy activation. Get your eSIM details by email, typically within 15 minutes, and get connected in just a few simple steps.
What is
JAPAN-ON-LINE
eSIM?
Stay connected across Japan with JAPAN-ON-LINE eSIM, a fast and reliable eSIM designed by travelers, for travelers. Enjoy fast data speeds, reliable nationwide coverage, and easy activation—all without the need for a physical SIM card.
How does JAPAN-ON-LINE eSIM work?
Check Your Device Compatibility
Make sure your phone is unlocked and eSIM-compatible before purchase.
Buy Your eSIM
Choose the plan that best suits you!
Our plans are designed specifically for travelers to Japan, with options ranging from 8 to 31 days.
Get Connected!!
Receive your eSIM details by email, typically within 15 minutes of purchase.
Install your eSIM before your trip, then connect to the network after you arrive in Japan.
Reviews for JAPAN-ON-LINE eSIM
More Than Just Data —
Enjoy Exclusive Travel Perks!
Get exclusive discounts at retail chains, department stores, drugstores, and more across Japan with your JAPAN-ON-LINE eSIM.
Reliable. Speedy. Affordable.
Customer Support
Need help? Our support team is always available by email to assist you with your questions.
Keep Your Physical SIM
Keep your physical SIM in your phone while using your JAPAN-ON-LINE eSIM for data in Japan.
English and Japanese Support
No need to fumble through language apps—we provide support in both English and Japanese.
Frequently
Asked Questions
Find helpful answers to your questions.
When will I receive my JAPAN-ON-LINE eSIM?
You should receive your eSIM details by email within 5–15 minutes of purchase. If you don’t receive the email right away, please check your spam and promotions folders. If you still haven’t received your eSIM within 24 hours, please contact us via email, and we’ll be happy to help.
How do I activate the JAPAN-ON-LINE eSIM?
After purchasing your eSIM, you’ll receive an email containing a QR code, an activation code, and instructions for installing your eSIM. Follow the instructions to install your eSIM before your trip, then connect to the network after you arrive in Japan.
Do I need to unlock my phone to use the JAPAN-ON-LINE eSIM?
Yes. An unlocked (SIM-free) phone with eSIM compatibility is required. Check your device settings to make sure your phone is unlocked. If your device is SIM-locked, please contact your carrier to have it unlocked before your trip.
How can I check if my device supports eSIM?
Most newer devices support eSIM, but compatibility varies by model and region. You can check your device settings for an option such as “Add eSIM” or look for an additional IMEI number. You can also check our eSIM compatibility list.
What should I do with my eSIM after my trip to Japan?
Nothing is required. Once you use up your data allowance or your plan expires, the data service will automatically stop. You can then remove the eSIM from your device if you no longer need it.
How long does my JAPAN-ON-LINE eSIM plan last?
JAPAN-ON-LINE eSIM plans are available with different validity periods, ranging from 8 to 31 days. Please check the plan details before purchase.
Are there any additional charges or hidden fees associated with JAPAN-ON-LINE eSIM?
None. Enjoy your trip to Japan without worrying about hidden fees or unexpected charges.