Mermaid Viewer: AI-Powered Diagram Creation in Your Browser

Mermaid Viewer is an intuitive online diagram editor that enables users to create, share, and collaborate on Mermaid diagrams directly within a browser. Designed for both beginners and professionals, it combines a live preview editor with AI-assisted coding to generate diagrams from natural language input, making complex visualizations accessible to all. Ideal for developers, designers, educators, and teams, Mermaid Viewer supports a wide range of diagram types including flowcharts, sequence diagrams, class diagrams, Gantt charts, mind maps, and more. With features like real-time collaboration, smart debugging, enterprise integration, and privacy-first data handling (all data stays in the browser), it ensures secure and efficient diagram creation.

Key Features:

• AI-Assisted Diagram Generation: Create diagrams using natural language prompts.
• Live Preview Editor: Instantly see your diagram as you build it.
• Real-Time Collaboration: Work together with team members in real time.
• Smart Export: Export diagrams as SVG, PNG, PDF, or Markdown with customizable DPI and themes.
• Wide Diagram Support: Flowcharts, sequence diagrams, class diagrams, state diagrams, ER diagrams, user journeys, Gantt charts, pie charts, requirement diagrams, git graphs, C4 diagrams, mind maps, and timelines.
• Privacy-First: Data remains in the browser; no third-party sharing.
• Enterprise Integration: Seamless connection with business tools.
• Smart Debugging: Identify and fix diagram issues quickly.
• Version History: Track changes and revert to previous versions.
• No Signup Required: Start creating immediately without registration.

Pricing: Mermaid Viewer offers a Free tier with basic features and a Freemium model with two paid plans: Starter at $69.99/year and Pro at $119.99/year. The Free plan includes 3 diagrams, 5 AI conversations per day, and low-res PNG exports with a watermark. The Starter plan offers 30 diagrams, 500 AI conversations per month, high-res exports, unlimited sharing, and 30 version history. The Pro plan provides unlimited diagrams, AI conversations, all export formats, advanced sharing, 100 version history, personal notes, and priority support. Annual billing offers a 17% savings, and users can upgrade or downgrade anytime. A 30-day money-back guarantee is available for paid plans.

Conclusion: Mermaid Viewer is a powerful, user-friendly, and privacy-conscious tool that empowers users to create professional-grade diagrams effortlessly. With AI assistance, real-time collaboration, and a scalable pricing model, it’s the ideal solution for individuals, teams, and enterprises looking to visualize ideas and workflows with precision and ease.