Privacy Policy
Last updated: February 7, 2025
Lantern ("we", "our", "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you use our browser extension.
Information We Collect
Account Information
- Email address - Used for account creation, authentication, and communication about your account
Learning Data
- Saved vocabulary - Words you save, including translations and context sentences
- Learning progress - Statistics such as words learned, review counts, and streaks
- Simplified text history - Texts you've simplified for learning reference
Analytics Data
- Page URLs - URLs of pages where you use the extension (for usage analytics)
- Feature usage - Button clicks, feature interactions, and user flows
- Technical data - Browser type, extension version, error logs
Information We Do NOT Collect
- Payment information - All payments are processed by third-party providers; we never see or store your payment details
- Browsing history - We do not track pages you visit unless you actively use the extension
- Personal content - We do not store or read your personal documents, emails, or messages
- Sensitive personal data - We do not collect data about race, religion, health, or similar categories
How We Use Your Information
| Data | Purpose |
|---|---|
| Account authentication, important notifications | |
| Vocabulary & Progress | Sync across devices, provide learning features |
| Text history | Allow you to review previously simplified content |
| Analytics | Improve extension features, fix bugs, understand usage patterns |
Data Storage and Security
- Data is stored securely using Supabase (hosted on AWS)
- All data transmission is encrypted via HTTPS/TLS
- We implement industry-standard security measures
- You can export or delete your data at any time
Data Retention
- Account data - Retained until you delete your account
- Learning data - Retained until you delete your account or specific items
- Analytics data - Aggregated and anonymized after 90 days
Third-Party Services
| Service | Purpose | Privacy Policy |
|---|---|---|
| Supabase | Authentication, database | supabase.com/privacy |
| Google (OAuth) | Sign-in option | policies.google.com/privacy |
| Cloudflare | API hosting | cloudflare.com/privacy |
Your Rights
For All Users
- Access your personal data
- Export your data
- Delete your account and all associated data
- Opt out of analytics
For EU/EEA Users (GDPR)
- Right to rectification
- Right to restrict processing
- Right to data portability
- Right to object to processing
- Right to lodge a complaint with a supervisory authority
For California Users (CCPA)
- Right to know what data we collect
- Right to delete your data
- Right to non-discrimination for exercising your rights
- We do not sell your personal information
Children's Privacy
Lantern is not intended for children under 13. We do not knowingly collect data from children under 13. If you believe we have collected such data, please contact us immediately.
International Data Transfers
Your data may be transferred to and processed in countries outside your residence. We ensure appropriate safeguards are in place for such transfers in compliance with applicable laws.
Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes via email or extension notification. Continued use after changes constitutes acceptance.
Contact Us
For privacy-related questions or to exercise your rights:
- Email: hello@withlantern.ai
- GitHub: github.com/denn-mslt/lantern