SankeyArt Privacy Policy

This Privacy Policy describes how your personal information is collected, used, and shared when you use our Services, including our website, web-based diagram editor, and add-ins for platforms such as Microsoft Excel and PowerPoint (collectively, the "Services").

1. Identity and contact

We are:

  • SankeyArt GmbH
  • Fahrenheitstraße 1
  • 28209 Bremen
  • Germany

If you have questions, or if you would like to make a complaint, please contact us by email at [email protected].

2. Personal information we collect

When you use our Services, we collect the following types of personal information:

  • - Account Information: When you create an account, we collect your name, email address, and any other information you voluntarily provide.
  • - Payment Information: If you purchase a subscription, we collect billing details such as your payment method, billing address, and transaction details. Payment processing is handled by third-party providers (e.g., Stripe), and we do not store your full payment details.
  • - Device Information: Automatically collected data about your device, including your web browser, IP address, time zone, and cookies installed on your device.
  • - Professional Information: We may collect and infer additional professional details about you, such as job title, industry, and company size, using your name and organization information through third-party IT services that access publicly available information.
  • - Usage and Analytics Information: We collect data about how you interact with our Services, including page views, clicks, and error reports to improve our Services and troubleshoot issues.

When we talk about "Personal Information" in this Privacy Policy, we are referring to Account Information, Payment Information, Device Information, Professional Information, and Usage and Analytics Information.

3. How do we use your personal information?

We use the information we collect to:

  • - Provide and maintain the Services, including both free and paid features.
  • - Process subscription payments and manage billing.
  • - Communicate with you about your account, updates, and promotional offers (in line with your preferences).
  • - Improve and optimize the Services by analyzing user behavior and feedback.
  • - Detect and prevent fraud or unauthorized access.
  • - Track errors and monitor system performance.
  • - Deliver targeted advertising and measure advertising effectiveness.

4. Sharing your personal information

We share your Personal Information with third parties to help us use your Personal Information, as described above. For example, we use Stripe to handle payments. You can read more about how Stripe uses your Personal Information here: https://stripe.com/en-de/privacy.

Finally, we may also share your Personal Information to comply with applicable laws and regulations, to respond to a subpoena, search warrant, or other lawful request for information we receive, or to otherwise protect our rights.

5. Do not track

Please note that we do not alter our Services' data collection and use practices when we see a Do Not Track signal from your browser.

6. Your rights

If you are a European resident, you have the right to access personal information we hold about you and to ask that your personal information be corrected, updated, or deleted. If you would like to exercise this right, please contact us.

Additionally, if you are a European resident we note that we are processing your information in order to fulfill contracts we might have with you (for example, if you make an order through the Services), or otherwise to pursue our legitimate business interests listed above. Additionally, please note that your information will be transferred outside of Europe, including to Canada and the United States.

7. Data retention

When you place an order through the Services, we will maintain your Order Information for our records in accordance with the EU's data protection regulations. You can ask us to delete this information.

8. Data connections

When you use our Services, connections to third-party domains may be established for the following purposes:

  • - Payment processing services
  • - Content delivery networks for static assets
  • - AI services for content generation and analysis
  • - Analytics and error tracking services
  • - Advertising and marketing platforms

9. Changes

We may update this Privacy Policy from time to time in order to reflect, for example, changes to our practices or for other operational, legal, or regulatory reasons.

Last updated: September 2025