Privacy
Last updated October 25, 2026.
Analytics
This site uses GoatCounter, a privacy-friendly analytics service, to count page views. It sets no cookies, does not track you across other sites, and does not collect personal information. It records anonymous totals like which pages are viewed, the referring site, browser type, screen size and country.
Purchases and downloads
Products are sold and delivered through Payhip and Gumroad. When you buy, those platforms process your payment and email under their own privacy policies. We receive only the order details they share with sellers.
If you email us, we use your message only to reply. We don't sell or share it.
Calculators
The free calculators run in your browser. Numbers you type are not sent to us.