Privacy Policy

Last updated: 3/3/2026

1. Introduction

Welcome to Mermaid Live Editor ("we," "our," or "us"). We are committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you visit our website.

2. Information We Collect

We may collect information about you in a variety of ways. The information we may collect on the Site includes:

  • Personal Data: We do not require you to register to use our service. We do not collect personally identifiable information (PII) such as your name or email address unless you voluntarily provide it to us.
  • Usage Data: We may collect non-personal information about your visit, including your IP address, browser type, operating system, and the pages you view. This is done via standard server logs and analytics tools.
  • Diagram Data: The diagrams you create are processed locally in your browser. When you use the "Share" feature, the diagram code is encoded into the URL. We do not store your diagram data on our servers.

3. Use of Your Information

We use the information we collect to:

  • Operate and maintain the website.
  • Improve your user experience.
  • Monitor and analyze usage and trends to improve our website.
  • Display third-party advertisements.

4. Third-Party Advertising

We may use third-party advertising companies (such as Google AdSense) to serve ads when you visit the Site. These companies may use information about your visits to the Site and other websites that are contained in web cookies in order to provide advertisements about goods and services of interest to you.

Google's use of the DART cookie enables it to serve ads to users based on their visit to our Site and other sites on the Internet. You may opt-out of the use of the DART cookie by visiting the Google Ad and Content Network privacy policy.

5. Cookies

We use cookies to enhance your experience. You can choose to set your web browser to refuse cookies or to alert you when cookies are being sent. If you do so, some parts of the Site may not function properly.

6. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page. You are advised to review this Privacy Policy periodically for any changes.

7. Contact Us

If you have any questions about this Privacy Policy, please contact us.

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