Terms of Service

Mermaid Online is provided as an independent utility for rendering, optimizing, and exporting Mermaid diagrams. You are responsible for the Mermaid code and any content you paste into the tool.

Do not use the service to process unlawful, infringing, or sensitive secret material. The tool is provided without warranties and may change, break, or be discontinued.

Generated PNG, JPG, WebP, SVG, and PDF files are based on the diagram content you provide and Mermaid rendering behavior. You are responsible for ensuring you have the right to use, publish, or distribute your exported diagrams.

Mermaid.js, Mermaid Chart, and related marks belong to their respective owners. This tool is not affiliated with Mermaid.js, Mermaid Chart, or their maintainers.

Last updated: May 25, 2026