Is there Wi-fi on the Japanese trains?

WiFi access is now available on most trains on every Shinkansen line.

Additionally, all major stations and many smaller stations also have free WiFi available to passengers.

All trains on the following lines have free WiFi available:

WiFi on Shinkansen trains is available in 8 different languages:

Alternatively, you can rent a Pocket Wi-Fi which offers high-speed internet access 24/7. It is possible to connect up to 10 devices to the pocket wifi and it supports PC, Mac, iOS, and Android.