MermaidStudio

MermaidStudio is a native Mermaid diagram editor for product managers, architects, and developers. Built for Mac and iPad (iPhone is not supported). Describe flowcharts, sequence diagrams, class diagrams, and state diagrams in Mermaid. Edit code on the left and see a live preview on the right. The interface follows Apple Human Interface Guidelines and supports Light and Dark Mode. Key features: • Side-by-side code editor and live preview • Completions for Mermaid keywords and snippets (Tab to accept) • Preview zoom for large architecture diagrams • Export PNG, PDF, or offline HTML • iCloud sync between Mac and iPad Get started for free: • Up to 3 files • Export PNG / PDF / HTML • iCloud sync (available on Free and Pro; not a Pro-only feature) Upgrade to MermaidStudio Pro (one-time purchase, not a subscription): • One purchase unlocks Pro on Mac and iPad • Unlimited files • Unlimited top-level folders • Copy as Image to the system clipboard