1) Controller
The controller responsible for data processing on this website is:
Marc Eisenhardt
Hohe Strasse 6/1
71116 Gaertringen, DE
Email: [email protected]
2) Data We Process
When you visit this website, our servers and CDN/hosting providers process certain technical data to deliver the site securely:
- IP address (may be stored temporarily)
- Date/time of request
- Requested URL and referrer
- Browser/OS information (user agent)
- Device and connection information
- Response status codes and performance logs
3) Purpose and Legal Basis
We process this data for:
- Providing and delivering the website
- Security (preventing abuse, attacks, fraud)
- Stability and troubleshooting
Legal basis (GDPR): Art. 6(1)(f) legitimate interests. Where processing is strictly necessary to provide the service, also Art. 6(1)(b).
4) Hosting: Cloudflare
We use Cloudflare as CDN and security service.
Provider: Cloudflare, Inc.
Data: Technical connection data and logs as described above.
Cloudflare may process data in the EU and other countries. Transfers are protected using Standard Contractual Clauses where required.
5) Cookies
We do not use advertising or analytics tracking cookies. Cloudflare may set technically necessary cookies for security and load balancing. These are not used for marketing.
6) Calculator Inputs
Our calculators run entirely in your browser. We do not store calculator inputs. Do not enter sensitive information you do not want processed.
7) Contact
If you contact us by email, we process your message to handle your request.
Legal basis: Art. 6(1)(b) or Art. 6(1)(f).
8) Retention
Technical logs: 14 days, unless longer retention is required for security incidents or legal obligations.
9) Your Rights
Under GDPR you may have the right to: access, rectification, deletion, restriction, data portability, objection, and lodging a complaint with a supervisory authority.
10) Changes
We may update this policy when features change. The "Last updated" date will reflect changes.