Privacy Policy

1. Introduction

satzklar ("we," "us," or "our") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our German grammar visualization service at satzklar.net.

By using our Service, you agree to the collection and use of information in accordance with this Privacy Policy.

2. Information We Collect

2.1 Text Content

When you submit German text for analysis, we temporarily process this content to provide grammar parsing and visualization. Successfully analyzed sentences may be stored for up to one year to improve our parsing algorithms.

2.2 Technical Information

We automatically collect certain technical information:

• IP Addresses: Logged by our hosting provider (Vercel) for security and abuse prevention
• Usage Data: API requests, response times, and error logs for service maintenance
• Browser Information: User agent strings and basic device information for compatibility

2.3 Local Storage

We use minimal browser local storage to remember your preference for which grammar reference section was last opened. This data never leaves your device.

3. How We Use Your Information

We use the collected information for:

• Service Provision: To analyze German text and provide grammar visualizations
• Service Improvement: To enhance parsing accuracy and algorithm performance
• Security: To prevent abuse, spam, and malicious use of our service
• Technical Maintenance: To monitor service performance and fix technical issues

4. AI-Generated Creative Content

Our service includes a feature that generates German stories and example sentences using artificial intelligence.

4.1 Content Generation

• On-Demand Generation: Stories and creative text are generated in real-time upon user request
• No Storage: We do not store, save, or retain any AI-generated creative content
• Temporary Processing: Generated content exists only during your session and is not logged or archived

4.2 Content Disclaimer

• No Responsibility: We are not responsible for the content, accuracy, appropriateness, or quality of AI-generated text
• User Responsibility: You are responsible for reviewing and evaluating any generated content before use
• Educational Purpose: Generated content is intended solely for German language learning and educational purposes
• No Guarantees: We make no warranties about the suitability, accuracy, or cultural appropriateness of generated content

4.3 Usage Guidelines

AI-generated content should be used responsibly. Users should not rely on generated content for professional, academic, or commercial purposes without independent verification.

5. Data Sharing and Third Parties

5.1 Third-Party Services

We use the following third-party services:

• Anthropic Claude: AI language models for German text parsing and analysis
• Vercel: Hosting and infrastructure provider for our web application

5.2 Data Processing Location

Your data may be processed in the United States where our service providers are located. We ensure these providers maintain appropriate security standards.

5.3 No Sale of Data

We do not sell, trade, or otherwise transfer your personal information to third parties for marketing purposes.

6. Data Retention

• Text Content: Successfully parsed sentences stored for up to 1 year
• Server Logs: IP addresses and technical logs retained for approximately 30 days
• Local Storage: Remains on your device until you clear browser data

7. Cookies and Tracking

satzklar does not use cookies or tracking technologies. We use only minimal local storage for user interface preferences, which does not identify you personally.

8. Data Security

We implement appropriate security measures to protect your information:

• HTTPS encryption for all data transmission
• Industry-standard security practices for data storage
• Regular security updates and monitoring
• Limited access to data on a need-to-know basis

9. Children's Privacy

Our Service is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.

10. Your Privacy Rights

You have the right to:

• Access: Request information about what data we have about you
• Correction: Request correction of inaccurate information
• Deletion: Request deletion of your data (where technically feasible)
• Withdrawal: Stop using our service at any time

Since our service is designed to be anonymous, we may not be able to identify specific data associated with your usage.

11. International Users

If you are accessing our service from outside the United States, please be aware that your information may be transferred to, stored, and processed in the United States where our servers are located.

12. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes by updating the "Last Updated" date at the top of this page. Your continued use of the Service after any changes constitutes acceptance of the updated Privacy Policy.

13. Contact Us

If you have questions about this Privacy Policy or our privacy practices, please contact us:

Email: [email protected]

Subject Line: "Privacy Policy Question"

We will respond to privacy inquiries within a reasonable timeframe.

14. Legal Basis for Processing

We process your information based on:

• Legitimate Interest: To provide and improve our educational service
• Consent: Your voluntary use of our service
• Legal Obligation: To comply with applicable laws and prevent abuse