JapaDeco | Japan Decoded
Your Japan Travel Guide
Simple English guides for traveling in Japan. Learn how to use airports, trains, IC cards, eSIMs, money, food, and everyday travel services before your trip.
Start Here
First-time in Japan? Read these guides first.
These guides cover the basic things most travelers worry about before arriving in Japan: internet, trains, airports, and money.
Best eSIM for Japan
Understand how to stay connected in Japan without stress.
How to Use Suica on iPhone
Set up Suica and use trains, buses, and convenience stores.
Haneda Airport Guide
Arrive smoothly, find transport, and avoid common mistakes.
Cash vs Card in Japan
Know when you need cash and when cards are enough.
Popular Categories
Choose what you need for your Japan trip.
Airports
Haneda, Narita, arrival flow, airport transport, and airport services.
Transportation
Trains, subway, Shinkansen, buses, IC cards, and rail passes.
SIM & Internet
eSIM, SIM cards, airport pickup, and staying online in Japan.
Money
Cash, cards, ATMs, exchange, tax-free shopping, and payment tips.
Food
Convenience stores, snacks, drinks, restaurants, and food culture.
Travel Tips
Packing, luggage, etiquette, seasons, itineraries, and daily travel help.
Prepare your phone, money, and transport before landing.
Japan is easy to travel when you understand the basics first. Start with internet, IC cards, airport access, and cash/card use.
Read the eSIM guideTravel Paths
Follow a simple route based on your trip stage.
Before You Arrive
Getting Around Japan
Essential Guides
Core guides for a smoother Japan trip.
How to Use IC Cards in Japan
Learn how IC cards work for trains, buses, and stores.
Tokyo Subway Guide
Understand subway basics before moving around Tokyo.
Narita to Tokyo Guide
Compare easy ways to get from Narita Airport to Tokyo.
ATM & Exchange Guides
Find practical money guides for cash, ATMs, and exchange.
Daily Travel Help