Privacy Policy

Last updated: December 07, 2025

1. Information We Collect

We collect information you provide directly to us, such as when you create an account, create diagrams, or contact us for support.

Account Information

  • Username and password
  • Email address (if provided)
  • Subscription type (Free or Pro)

Content

  • Diagrams you create and save
  • Diagram metadata (titles, descriptions, creation dates)

2. How We Use Your Information

We use the information we collect to:

  • Provide, maintain, and improve our services
  • Process your diagrams and generate visualizations
  • Authenticate your account and provide access to your content
  • Respond to your support requests

3. Information Sharing

We do not sell, trade, or otherwise transfer your personal information to third parties, except:

  • With your explicit consent
  • To comply with legal obligations
  • To protect our rights and safety

4. Data Storage and Security

We implement appropriate security measures to protect your personal information. Your data is stored securely and access is limited to authorized personnel only.

5. Cookies and Tracking

This site uses only essential cookies required for basic functionality:

  • Session cookies: Required for user authentication and maintaining your login session
  • CSRF tokens: Required for security to prevent cross-site request forgery attacks

We do not use analytics cookies, advertising cookies, or any other non-essential tracking technologies.

6. Third-Party Services

We use Kroki (kroki.io) to generate diagram visualizations. When you create a diagram, your diagram code is sent to Kroki's servers for processing. Please review Kroki's privacy policy for more information about how they handle data.

7. Data Retention

We retain your account information and diagrams until you delete your account or request deletion of specific content.

8. Your Rights

You have the right to:

  • Access your personal information
  • Correct inaccurate information
  • Delete your account and associated data
  • Export your diagrams

9. Changes to This Policy

We may update this privacy policy from time to time. We will notify users of any material changes by updating the date at the top of this policy.

10. Contact Us

If you have any questions about this privacy policy, please contact us through our support channels.