Privacy Policy

1. Information We Collect

Account Information

When you create an account, we collect:

• Email address
• Password (stored securely using bcrypt hashing)
• Name (optional)

Email Content

When you submit emails for testing, we temporarily store:

• Email HTML content
• Email subject line
• Sender and recipient addresses
• Generated screenshots
• Linting and analysis results

Usage Data

We automatically collect:

• Test counts and usage statistics
• Feature usage patterns
• Error logs for debugging purposes

2. How We Use Your Information

We use your information to:

• Provide email testing and analysis services
• Generate rendering previews and compatibility reports
• Process payments and manage subscriptions
• Send service-related communications
• Improve our services and develop new features
• Prevent fraud and ensure security

3. AI Processing

Our Service uses AI to analyze your email HTML for compatibility issues:

• Email content is processed by AI systems to identify potential rendering problems
• We do NOT use your email content to train AI models
• AI processing is performed in real-time and content is not retained for machine learning purposes
• Analysis results are stored only for the duration specified in our data retention policy

4. Data Retention

5. Third-Party Services

We use the following third-party services:

Stripe

For payment processing. Stripe collects payment card information directly. See Stripe's Privacy Policy.

Cloudflare

For hosting, CDN, and security services. See Cloudflare's Privacy Policy.

Turso (LibSQL)

For database hosting. Data is stored in encrypted form.

6. Data Security

We protect your data through:

• Encryption in transit (TLS) and at rest
• Secure password hashing (bcrypt)
• Regular security audits
• Access controls and authentication
• Automated backup systems

7. Your Rights

For All Users

• Access your personal data
• Correct inaccurate data
• Delete your account and data
• Export your data
• Opt out of marketing communications

GDPR Rights (EU Users)

• Right to erasure ("right to be forgotten")
• Right to data portability
• Right to restrict processing
• Right to object to processing
• Right to lodge a complaint with a supervisory authority

CCPA Rights (California Users)

• Right to know what personal information is collected
• Right to delete personal information
• Right to opt-out of the sale of personal information
• Right to non-discrimination for exercising rights

Note: We do not sell your personal information.

8. Cookies

We use essential cookies for:

• Session management and authentication
• Security and fraud prevention

We do not use tracking cookies or share data with advertising networks.

9. Children's Privacy

Our Service is not intended for users under 16 years of age. We do not knowingly collect information from children.

10. International Transfers

Your data may be processed in the United States and other countries where our service providers operate. We ensure appropriate safeguards are in place for international data transfers.

11. Changes to This Policy

We may update this policy from time to time. We will notify you of significant changes via email or through the Service.

12. Contact Us

For privacy-related questions or to exercise your rights, contact us at: privacy@renderstack.ai

For general support: support@renderstack.ai