Privacy Policy
Last updated: October 2026
1. Information We Collect
When you use InboxToKindle, we collect:
- Account Information: Your email address and password (encrypted)
- Kindle Device Information: Your Kindle email address(es) for delivery
- Newsletter Content: Emails sent to your InboxToKindle address, which we convert to EPUB format
- Usage Data: Number of newsletters processed, delivery logs
2. How We Use Your Information
We use your information solely to:
- Provide the newsletter-to-Kindle conversion service
- Send newsletters to your registered Kindle devices
- Track usage for billing (free tier limits)
- Send account-related notifications
3. Data Storage & Security
Your data is stored securely using:
- PostgreSQL database on AWS RDS with encryption at rest
- AWS S3 for EPUB file storage with private access controls
- Passwords are hashed using Django's default PBKDF2 algorithm
- HTTPS encryption for all data in transit
4. Third-Party Services
We use the following third-party services:
- Amazon Web Services (AWS): For hosting, email processing (SES), and file storage (S3)
- Stripe: For payment processing (billing information is handled directly by Stripe)
- Google Ads: To measure whether our ads lead to sign-ups. Outside the EEA, UK and Switzerland this sets advertising cookies; inside those regions no advertising cookies are set
We do not sell or share your personal data with any other third parties.
5. Your Rights
You have the right to:
- Access your personal data
- Delete your account and all associated data
- Export your data
- Update your preferences
To exercise these rights, contact us at privacy@inboxtokindle.com
6. Data Retention
We retain your data for as long as your account is active. When you delete your account:
- Your personal information is permanently deleted within 30 days
- EPUB files are deleted from S3 immediately
- Anonymized usage statistics may be retained for analytics
7. Contact Us
If you have questions about this Privacy Policy, contact us at: