Does The Traveler's Knife work offline?
Yes. The Traveler's Knife is a single HTML file that runs entirely in your browser. No internet connection required after download. Your data never leaves your device.
Six tools for nomads and backpackers — works without Wi-Fi
The Traveler's Knife packages six travel essentials into a single HTML file. Compare time zones with a visual 24-hour overlap bar, convert Unix timestamps to human dates and back, convert units for distance, weight, and temperature, build reusable packing checklists with templates, reference currency exchange rates offline, and spell anything with the NATO phonetic alphabet — all offline, perfect for airports, airplane wifi, and remote locations.
The file works in any modern browser — Chrome, Firefox, Safari, Edge. Save it to a USB drive, email it to yourself, or keep it in your cloud storage. It will work anywhere, anytime, forever.
Sovereignty as a Service
Yes. The Traveler's Knife is a single HTML file that runs entirely in your browser. No internet connection required after download. Your data never leaves your device.
No. The Traveler's Knife is a one-time purchase of $39. No monthly fees, no renewals, no price increases.
The Traveler's Knife bundles 6 lifestyle & creative tools into a single HTML file: Time Zone Desk, Epoch/Unix Converter, Unit Converter (Distance/Weight/Temp), Packing Checklist Builder, Currency Converter (Static), NATO Phonetic Alphabet.
Entirely in your browser's local storage. Nothing is uploaded, transmitted, or tracked. You can export your data as JSON at any time and import it on another device.
Any modern browser — Chrome, Firefox, Safari, Edge — on Windows, macOS, Linux, ChromeOS, iOS, or Android. The same file works everywhere.
Yes. The interactive demo on this page is the full knife running in an iframe. Try every feature in your browser, no signup required.
Sovereignty as a Service