Terms of Service

Last updated: May 12, 2026

Mermaid Preview is provided as a free browser-based tool. By using this site, you agree to these terms.

The service is offered “as is” without warranties of any kind. We are not liable for any loss or damage arising from your use of the site or any diagrams or content you create, export, or share.

You are responsible for the Mermaid code and diagrams you enter. Do not use the site in a way that violates applicable law or infringes others' rights.

We may change or discontinue the service at any time. Continued use after changes constitutes acceptance of the updated terms.

See also our Privacy Policy and home page.