Privacy Policy

Data controller

The data controller is the entity shown at the bottom of this page.

What we process

No account is required. The calculators run in your browser and the values you enter are not sent to or stored by our servers.

For usage statistics we use Google Analytics 4 with Consent Mode v2 and IP anonymisation. Analytics cookies are set only with your consent. If you decline (or before you decide), no cookies and no identifiers are used: the browser sends only anonymous, cookieless technical signals ("pings"), which Google uses solely to estimate aggregate statistics (e.g. approximate visit counts). These signals cannot identify you or track your browsing. We run no advertising and the advertising signals are permanently disabled. Hosting may record standard technical data (e.g. IP address in server logs) for security and operation.

Cookies

We use only cookies strictly necessary for the site to function. Analytics cookies are enabled only with your consent: you can accept or decline in the cookie notice and change your choice at any time on this page. If you decline, measurement works without cookies and without identifiers, using anonymous aggregate signals only (see the previous section).

Your rights

You have the right to access, rectification, erasure, restriction and objection, and to data portability, under the GDPR and Portuguese Law 58/2019. To exercise these rights, contact the entity shown at the bottom of this page.

If you believe your data is not being processed lawfully, you may also lodge a complaint with the Portuguese Data Protection Authority (CNPD, www.cnpd.pt).

Changes

We may update this policy; the last-updated date is shown at the bottom of the page.