Free tools
The precise ones.
Small, exact tools for the questions that decide where you can live: how long you can stay, who gets to tax you, and what you actually keep. Free to use. The thresholds are researched from public sources and dated; nothing here is legal or tax advice.
Mobility
Schengen 90/180 calculator
Log your stays and a reference date to see days used, days remaining, and the earliest you could re-enter for a full 90.
Open the tool →Tax
183-day tax-residency tracker
Count days per country and see which cross their threshold, because a visa does not decide who taxes you.
Open the tool →Money
Take-home pay by country
Compare what a gross salary keeps across up to three countries, with the headline effective rate for each.
Open the tool →Money
Cost of living by country
Compare monthly cost single and family across up to three countries, with each one's residency income bar and fee.
Open the tool →Belonging
Citizenship timeline
How many years of residence a passport takes, the presence each year needs, and what resets the clock.
Open the tool →Founders
Where should your company live?
The break-even for moving your holding company: corporate tax, IP boxes and holdco regimes, versus setup and substance cost, at your profit level.
Open the tool →
The whole picture
Or design the whole year at once.
The world builder lays your countries across a 365-day year and runs the Schengen clock, tax residence and citizenship together, live, as you move the days.
More tools are on the way: golden-visa cost and ROI, and a relocation-cost estimator.