Mermaid Viewer
Features
- Generates Mermaid diagrams from plain-English descriptions
- Scans codebases in VS Code for sequence and C4 architecture diagrams
- Refines diagrams through conversation
- Draws infrastructure maps from Terraform and AWS/Azure templates
- Exports high-resolution SVG, PNG and PDF
- Adapts themes to dark and light mode
- Supports live collaboration in Confluence and Microsoft Teams
Pricing Details
💵 Pricing & Plans (February 2026 Status): Plan Price (Approx.) Key Features Community (Free) $0 Unlimited basic diagrams; 5 AI conversations/day; Low-res watermark exports. Personal Pro ~$8 - $10 / mo 500 AI conversations/mo; High-res PNG/SVG (no watermark); Version history. Team / Enterprise ~$15 / seat Unlimited AI; C4 & Cloud Diagramming; SSO; Real-time team co-editing. 🎁 How to Get Started: For a quick web-based test, visit Mermaid.live or MermaidViewer.com. For developers, install the Mermaid Chart extension in VS Code. Simply write graph TD; A-->B; to see a basic flow, or use the @mermAId chat to describe your system architecture and watch it build the code for you.