🔒 Privacy Policy
Your privacy and data security are our top priorities. This policy explains how we protect and handle your information.
1. 📋 Introduction
Welcome to QuantumCalc. We are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, and safeguard your data when you use our calculator tools and services. By using QuantumCalc, you agree to the practices described in this policy.
2. 📊 Information We Collect
a) Automatically Collected Information:
Technical Data
- IP address (anonymized)
- Browser type and version
- Operating system
- Device information
Usage Data
- Referral URLs
- Usage data and analytics
- Session duration
- Pages visited
b) Information You Provide:
Calculator Usage
- Calculator inputs (anonymous, not stored personally)
- Calculation preferences
Optional Information
- Contact form submissions (if applicable)
- Newsletter sign-ups (if applicable)
- Feedback and support requests
3. 🎯 How We Use Your Information
Service Provision
- Provide and improve our calculator services
- Ensure website functionality
- Maintain service quality
Analytics & Improvement
- Analyze usage patterns and optimize performance
- Develop new features and tools
- Enhance user experience
Security & Communication
- Ensure website security and prevent abuse
- Communicate with you (if you contact us)
- Respond to inquiries and support requests
4. ⚖️ Legal Basis for Processing (GDPR Compliance)
Legitimate Interests
Article 6(1)(f) GDPR: Website operation, maintenance, and improvement
Consent
Article 6(1)(a) GDPR: For cookies and optional services
Contract Fulfillment
Article 6(1)(b) GDPR: For requested services and features
5. 💾 Data Storage and Retention
Server Logs
7 days retention period
Analytics Data
14 months retention period
Contact Forms
3 years retention period
Calculator Inputs
Not personally stored or retained
6. 🍪 Cookies and Tracking Technologies
We use the following types of cookies:
Essential Cookies
Session management and basic functionality
Analytics Cookies
Google Analytics for website improvement
Advertising Cookies
Google AdSense for relevant advertising
Cookie Control
You can control cookies through your browser settings. Most browsers allow you to refuse cookies or alert you when they are being used.
7. 🤝 Third-Party Services
Google Analytics
Website analytics and performance tracking
Google AdSense
Advertising services and revenue generation
Hosting Provider
Site performance, security, and infrastructure
8. 🌍 International Data Transfers
Your data may be processed outside the EU/EEA using appropriate safeguards like Standard Contractual Clauses and adequacy decisions to ensure equivalent protection.
9. 📝 Your Rights (GDPR)
Under GDPR, you have the following rights regarding your personal data:
- Access – Right to access your personal data
- Rectification – Right to rectify inaccurate data
- Erasure – Right to erase your data (“right to be forgotten”)
- Restriction – Right to restrict processing
- Portability – Right to data portability
- Objection – Right to object to processing
- Withdraw Consent – Right to withdraw consent at any time
10. 🔐 Data Security
We implement appropriate technical and organizational measures to protect your data, including:
Encryption
SSL/TLS encryption for data transmission
Access Controls
Strict access controls and authentication
Security Assessments
Regular security audits and assessments
11. 👶 Children’s Privacy
Our services are not directed at children under 16. We do not knowingly collect data from children. If you believe we have collected data from a child, please contact us immediately.
12. 📞 Contact Information
For privacy concerns or to exercise your rights under GDPR:
📧 Data Protection Contact
13. ⚖️ Supervisory Authority
You have the right to lodge a complaint with the data protection supervisory authority:
Federal Commissioner for Data Protection and Freedom of Information
Husarenstraße 30
53117 Bonn, Germany
14. 🔄 Changes to This Policy
We may update this policy periodically to reflect changes in our practices or legal requirements. Changes will be posted on this page with updated revision dates. We encourage you to review this policy regularly.