Free planning tools
Travel and Tax Planning Tools
Free tools for modeling a single decision: tax residency exposure, Schengen 90/180 limits, NYC second-home tax, US state residency, multi-country trip planning. When you need an ongoing record of where you've been, Chrono runs in the background and produces a defensible answer when one's needed.
What are you trying to do?
Check tax residency risk
US states, NYC, or international
Plan a move or itinerary
Multi-country or multi-state planning
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Schengen Calculator & Planner
PopularThree modes: current status, plan a trip, and max stay. Rolling 180-day window across all 29 Schengen countries.
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New York statutory residency risk checker
Popular184 days + permanent place of abode + ties. A practical signal, not a legal determination.
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NYC Second-Home Tax (Pied-à-Terre)
Eligibility check + estimated annual surcharge for NYC's tentative second-home tax on $5M+ residential property whose owner lives outside the five boroughs. Status, sources, and caveats throughout.
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Can my old state still tax me?
US state tax exposure after moving. Domicile, day count, ties, and consistency over time.
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Country-by-country tax residency exposure
How the UK, Spain, Portugal, France, and Germany evaluate residency — the actual frameworks, not a generic 183-day count.
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Travel footprint
Visualize where you've been on the world map — and how your time is distributed across countries and continents.
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ETIAS Checker
Yes/no determination for whether ETIAS will apply to your next Schengen trip. €20, valid 3 years, doesn't replace the 90/180 rule.
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Travel Itinerary Planner
Sequence a multi-country trip from anchor destinations and optional stops. Feasibility-checked legs, drag-drop reordering, calendar view, shareable link.
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Let Chrono keep the record for you
Scan to install. Chrono starts tracking immediately.
Takes 10 seconds
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