Privacy
Last updated: 4 November 2026
Short version
This website does not use cookies, analytics or advertising trackers, and it has no forms. The calculators run entirely in your browser; nothing you type is sent to us or stored.
Who is responsible
Budai Máté, sole trader (egyéni vállalkozó), 8000 Székesfehérvár, Repülőtér út 7/A FS em. 3, Hungary. Email: hello@profitex.pro.
What data is processed
When you visit, our hosting provider (Vercel Inc., USA) automatically processes technical data such as your IP address, browser type and the page requested, to deliver the site and keep it secure. We do not use this data to identify you or for marketing. Legal basis: our legitimate interest in running a secure website (GDPR Art. 6(1)(f)). Vercel acts as our processor under its Data Processing Addendum, which includes the EU Standard Contractual Clauses for transfers to the USA.
Etsy
Purchases happen on Etsy. When you click a link to Etsy, Etsy's own privacy policy applies to what you do there. We only receive the order details Etsy shares with sellers to deliver your purchase.
Your rights
You have the right to access, correct or erase your data, to restrict or object to processing, and to data portability. Write to the email above. You can also complain to the Hungarian data protection authority (NAIH, 1055 Budapest, Falk Miksa utca 9-11, naih.hu) or the authority in your country.