Guides & tools
Guides and free tools.
Short, plain explanations of the rules travellers ask about most, with links to the official sources, and a free calculator for the Schengen rule.
01The Schengen 90/180 rule, explained with examplesNinety days in any 180. It sounds simple, but the window moves every day. Here is how to count it without mistakes.6 min read02The 183-day rule: what it means and what it does not"Stay under 183 days and you are not a tax resident." It is the most repeated travel tax myth. The number is real, but the rule around it is different in every country.7 min read03How to rebuild years of travel history from your photosCitizenship forms ask for every trip in the last five years. Tax advisers ask where you were on which days. The answers are already in your camera roll.5 min read✓Schengen 90/180 calculatorDays used, days left, and the last day you can stay on your next trip.Free tool✓183-day rule calculatorYour days in one country in a calendar year or any 12 months, against 183.Free tool✓US Substantial Presence TestYour weighted US days over three years, and how many days you have left.Free tool