Terms of Service

Last updated: May 12, 2026

Mermaid Preview is provided as a free browser-based tool for writing, previewing, exporting, and sharing Mermaid diagrams. By using this website, you agree to these terms.

You are responsible for the Mermaid code, labels, diagram text, and any exported images you create with the tool. Do not use Mermaid Preview to create or share content that violates applicable law, infringes another person's rights, exposes confidential information without permission, or attempts to mislead other users.

Mermaid Preview renders diagrams in the browser and may provide export or share features for your convenience. You should review exported SVG, PNG, or shared URL content before publishing it in documentation, tickets, repositories, presentations, or public websites.

The service is offered “as is” and “as available” without warranties of any kind. We do not guarantee that every Mermaid syntax variant, browser, third-party library, export workflow, or shared URL will work without interruption or error.

Tutorials, examples, and comparison articles are provided for educational purposes. We try to keep them useful and accurate, but technical tools and Mermaid syntax can change over time. You should verify examples before relying on them in production documentation.

We may update, change, or discontinue parts of the site at any time. We may also update these terms. Continued use of Mermaid Preview after a change means you accept the updated terms.

To report a bug, content correction, or legal concern, email contact@mermaidpreview.com. See also our Privacy Policy, About page, and home page.