1. Introduction
This Privacy Policy describes how Lembu LLC ("we," "us," or "our") collects, uses, and protects information when you use Hiertier (the "Service").
2. Information We Collect
Information you provide:
- Email address (when you register)
- Files you upload for analysis
Information collected automatically:
- Browser type and version
- Device information
- IP address
- Usage data (features used, time spent)
3. How We Process Your Uploaded Files
- Uploaded files are parsed entirely in your browser and are not stored on our servers.
- Parsed data is transmitted to our AI analysis provider (Anthropic) for data quality detection, subject to their API data retention policy (up to 30 days, not used for model training).
- No file content is persisted in our database — only session metadata (file name, file hash, column headers, row count).
4. How We Use Your Information
We use collected information to:
- Provide and improve the Service
- Communicate with you about the Service
- Send product updates (only with your consent)
- Analyze usage patterns to improve user experience
- Comply with legal obligations
5. Third-Party Services
We use the following third-party services that may process your data:
- Anthropic — AI analysis provider (processes uploaded data for quality detection)
- Email service provider — for transactional and marketing emails
- Hosting provider — for Service infrastructure
Each third-party service operates under its own privacy policy.
6. Data Retention
- Browser session data: Cleared when you close the tab
- Account information: Retained while your account is active
- Session metadata: Retained indefinitely for Service improvement
- Anthropic API: Up to 30 days per their retention policy
7. Data Security
We implement reasonable security measures to protect your information. However, no method of transmission over the Internet is 100% secure. We cannot guarantee absolute security.
8. Your Rights
Depending on your location, you may have the right to:
- Access your personal data
- Correct inaccurate data
- Delete your data
- Object to processing
- Data portability
To exercise these rights, contact us at [email protected].
9. California Privacy Rights (CCPA)
If you are a California resident, you have the right to:
- Know what personal information is collected
- Know whether your personal information is sold or disclosed
- Say no to the sale of personal information
- Access your personal information
- Request deletion of your personal information
- Equal service and price, even if you exercise your privacy rights
We do not sell personal information.
10. Children's Privacy
The Service is not intended for children under 13. We do not knowingly collect personal information from children under 13.
11. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date.
12. Contact Us
For questions about this Privacy Policy, contact:
Lembu LLC
[email protected]