"The N-400 calculator saved me literally hours of checking passport stamps against spreadsheets. I was terrified of miscounting my days and delaying my citizenship. The fact that my travel history never left my browser gave me peace of mind — immigration data is not something I want floating around on the internet."

Aleksandra M.

US Citizen (Naturalized 2025)

"I used the flight time calculator to plan a three-leg trip across Southeast Asia. Simple, instant, no signup to see results. Every other travel tool wants you to create an account before showing you anything useful."

Ben L.

Digital Nomad, 23 Countries

"The packing list generator is the only one I keep going back to. It adjusts for weather and trip type and I can customize everything. No app to download, no account, works perfectly on my phone at the airport."

Samira F.

Frequent Business Traveler

Free travel tools for flight time calculation, gas cost estimation, N-400 citizenship eligibility tracking, and trip packing list generation. Built for frequent and occasional travelers alike.

Frequently Asked Questions

What travel tools are available?

Flight time calculator, gas cost calculator, time zone converter, N-400 physical presence calculator, and packing list generator.

How does the N-400 calculator work?

It tracks your international travel history and calculates whether you meet the physical presence and continuous residence requirements for US naturalization.

Is my travel data private?

Yes. All tools run in your browser. Your travel dates, trip history, and personal details are never sent to any server.

Does the packing list generator work for international trips?

Yes — set your destination climate, trip duration, and travel type to generate a list that includes the right gear, clothing, and documents for international travel.