Privacy Policy
Last updated: December 30, 2025
1. Data Controller
Leonardo Christino
Engelbrechtstraat 29
6006ZS Weert, Netherlands
KVK: 08950166
Email: contact@mermaid-snap.aknakos.com
2. What Data We Collect
We collect and process the following personal data:
Account Data
- Name and email address (required for account creation)
- Google/GitHub account data (if you sign in with OAuth): name, email, profile picture
Usage Data
- Diagrams you create and save (Pro users only)
- Subscription and billing information
Technical Data
- Browser and device information
- IP address and approximate location (country/region)
- Error logs for debugging purposes
3. Legal Basis for Processing (GDPR Article 6)
We process your data based on:
- Contract performance (Art. 6(1)(b)): To provide our service to you
- Legitimate interests (Art. 6(1)(f)): To improve our service and prevent fraud
- Consent (Art. 6(1)(a)): For optional analytics and marketing cookies
4. How We Use Your Data
- To provide and maintain the MermaidSnap service
- To process your subscription and payments
- To send transactional emails (password reset, account notifications)
- To provide customer support
- To improve our service based on usage patterns
5. Data Sharing and Third Parties
We share data with the following service providers:
| Service | Purpose | Location |
|---|---|---|
| Neon | Database hosting | EU (Germany) |
| Vercel | Application hosting | USA* |
| OAuth authentication | USA* | |
| GitHub | OAuth authentication | USA* |
| Sentry | Error monitoring | USA* |
*For US-based providers, we rely on Standard Contractual Clauses (SCCs) and their compliance with applicable data protection frameworks to ensure adequate protection of your data.
6. Data Retention
| Data Type | Retention Period |
|---|---|
| Account data | Until account deletion |
| Saved diagrams | Until account deletion |
| Billing records | 7 years (legal requirement) |
7. Cookies
We use the following types of cookies:
- Essential cookies: Required for authentication and security
- Preference cookies: Remember your settings (e.g., dark mode)
8. Your Rights (GDPR)
You have the right to:
- Access: Request a copy of your personal data
- Rectification: Correct inaccurate data
- Erasure: Delete your account and data ("right to be forgotten")
- Portability: Export your data in a machine-readable format
- Objection: Object to processing based on legitimate interests
- Withdraw consent: Withdraw consent for optional processing at any time
To exercise these rights, visit your account settings or contact us at contact@mermaid-snap.aknakos.com.
9. Data Export and Deletion
You can export your diagrams at any time using the export features. To delete your account and all associated data, visit your account settings.
10. Security
We protect your data using:
- HTTPS encryption for all data in transit
- Encrypted database storage
- Regular security updates and monitoring
11. Children's Privacy
MermaidSnap is not intended for children under 16. We do not knowingly collect data from children. If you believe a child has provided us with personal data, please contact us.
12. Changes to This Policy
We may update this policy from time to time. We will notify you of significant changes via email or through our service. The "Last updated" date at the top indicates when this policy was last revised.
13. Complaints
If you have concerns about how we handle your data, please contact us first at contact@mermaid-snap.aknakos.com.
You also have the right to lodge a complaint with the Dutch Data Protection Authority:
Autoriteit Persoonsgegevens
https://autoriteitpersoonsgegevens.nl
14. Contact
For privacy-related questions or requests:
Email: contact@mermaid-snap.aknakos.com
Address: Engelbrechtstraat 29, 6006ZS Weert, Netherlands