개인정보처리방침
최종 수정일: 2026년 8월
1. Overview & Data Controller
At Notenrechner (https://www.notenrechner.org), protecting your privacy is our top priority. This Privacy Policy explains our data practices, local calculation architecture, and your rights under applicable privacy regulations including the General Data Protection Regulation (GDPR).
Contact: For any privacy inquiries, reach us at support@notenrechner.org.
2. 100% Client-Side Privacy Guarantee
All academic calculations—including GPA computation, course points, weightings, and report card simulations—are executed entirely within your client's web browser using JavaScript:
- No Server Transmission: Your grades, subject names, scores, and credit values are never sent to or stored on our servers.
- No Registration Required: All tools and calculators are freely accessible without creating a user account.
3. Local Storage (LocalStorage)
To ensure your entered coursework and preferences persist across browser reloads, we utilize standard browser localStorage on your local device:
notenrechner-theme: Stores your light/dark mode preference.notenrechner-subjects: Temporarily caches your entered subjects and scores locally.notenrechner_cookie_consent: Records your cookie preference acknowledgment.
You can clear this data at any time via the "Reset All" button in the calculator or through your browser settings.
4. Server Log Files & Hosting
When you access Notenrechner, standard non-personally identifiable diagnostic information is logged by our web hosting infrastructure (IP address in anonymized form, browser type, operating system, referrer URL, and timestamp). These logs are strictly utilized for system security, technical stability, and abuse prevention.
5. Advertising & Third-Party Cookies (Google AdSense)
To maintain our free tools, third-party advertising partners such as Google AdSense may serve ads on this website:
- Third-party vendors, including Google, use cookies to serve ads based on a user's prior visits to this website or other websites.
- Google's use of advertising cookies enables it and its partners to serve ads to users based on their visit to your sites and/or other sites on the Internet.
- Users may opt out of personalized advertising by visiting Google Ads Settings or via www.aboutads.info.
6. Your Rights Under GDPR
You have the right to access, rectify, or request erasure of personal data, restrict or object to processing, data portability, and the right to lodge a complaint with a supervisory authority.
7. Contact Information
If you have any questions regarding this Privacy Policy, please contact us at support@notenrechner.org.