Who is responsible
This site is run by a private individual in Spain as a free, non-commercial tool. It does not collect personal data.
What we collect
Nothing you enter in the calculator or letter generator leaves your device. We do not use accounts or ask for personal data.
Your rights
We hold no personal data about visitors. Under the GDPR you can complain to the Spanish Data Protection Agency (AEPD) about any website.
Last updated: 21 September 2026.