Olutil stands for Online Utilities — a growing suite of privacy-first, browser-native web tools. This sub-site gives you practical travel-planning tools that run entirely in your browser. Build a packing list, plan the budget and itinerary, convert currency, estimate fuel and carbon, check visas and tips, and count down to departure — all in one place. 100% Local Processing
Turn climate, trip length, trip type and group into a categorised, printable packing checklist.
Add flights, lodging, food, transport, tickets and shopping for a total, per person and per day.
Type day, time and activity to get a day-by-day itinerary sorted by time.
Turn the timezone difference and flight length into a day-by-day sleep-shift plan.
Convert between 18 travel currencies with a built-in table or your own rate.
See reference tip ranges and local custom by country and scenario.
Get a reference document list and application steps for your visa.
Estimate CO2e per person and in total, and compare transport modes.
Estimate trip fuel cost, litres used and the per-person split.
Compare train and drive on total cost, per-person cost and time.
See the days left to departure plus pre-trip task checkpoints.
Format your plan into a clean, printable itinerary sheet.
All tools on this site do their work locally in your browser. The details you type are never sent to any server, so your dates, budgets and itineraries stay on your device. Pick a tool, fill in the fields, press the calculate or generate button and read, copy, download or print the result.
Yes. Every tool on this site is free to use, with no account and no sign-up required.
No. Budgets, fuel costs, fares and carbon figures are rough estimates for general planning only. They are not a quote and not supplier pricing, and they are not financial, legal or tax advice. Confirm real prices with your provider.
Yes. All processing runs locally in your browser. The dates, amounts and itinerary lines you enter are not uploaded to any server, and the tools work offline once the page has loaded.
No. Visa checklists and tipping ranges are general references only. Requirements and customs differ by nationality, destination and time, so always confirm with the embassy, consulate or local practice.