Privacy
Short version: no account, no tracking cookies, no advertising cookies, and we never sell anything about you.
Cookies
This site sets no cookies. The calculator runs in your browser and what you type into it is not sent to us.
Microsoft Clarity
We use Microsoft Clarity to see anonymised heatmaps and replays of how pages are used, so we can fix what confuses people. It runs in strict masking mode: all text is masked before it leaves your browser, so a replay shows where the cursor moved, what was clicked and how far the page was scrolled, never what the page said or what you typed. Clarity's cookies are switched off, including Microsoft's advertising cookie, so we can't follow one person from page to page.
"What did you pay?" reports
If you send a price report, we store only what's on that form: the airline, the item, when you bought it, the price and currency, the month of the flight and, if you gave them, the two airports. No name, email or IP address. A spam check by Cloudflare Turnstile runs when you send it. We publish only summaries, once at least 5 reports agree.
Hosting
The site is hosted on Cloudflare, which keeps standard server logs for security.