Idiot Travel Tools was built around one idea: a trip-planning tool site should do one thing well instead of twenty things half-heartedly. Rather than being a general "everything calculator" site with travel as one category among dozens, every single tool here exists to solve a real problem that comes up while planning or taking a trip — converting currency, working out a budget, checking a layover, building a packing list, sizing a passport photo.
Why everything runs in your browser
Every calculator on this site runs entirely on your own device using JavaScript. Nothing you type — an amount, a city, a photo, a trip budget — is uploaded to a server or stored anywhere. That's not a marketing claim; it's a direct consequence of how the tools are built, and it means the tools work instantly, without waiting on a network round trip, and without asking you to create an account or hand over any personal information just to use a calculator.
How the tools are built
Reference data used by tools like the currency converter, the timezone converter and the destination distance calculator is refreshed periodically by the site's maintainers. These figures are meant as reliable planning estimates rather than a live financial feed or a real-time weather service, and each relevant tool page says so plainly, since we'd rather be upfront about what a client-side tool can and can't do than overstate its precision.
Who this site is for
Anyone planning a trip, from a weekend domestic getaway to a multi-country international itinerary. Independent travellers, families juggling visas and children's documents, road-trippers mapping out multi-stop routes, and business travellers checking a tight connection all use different corners of this toolbox, which is exactly why it's organised as twenty distinct tools rather than one do-everything trip planner.