Mermafy: Mermaid Diagram Tool

Create Mermaid diagrams easily offline with visual builder & live preview

Mermafy is a powerful offline Mermaid diagram builder designed for developers, creators, and anyone who wants to visualize ideas quickly without writing complex syntax.

Build diagrams visually using simple and intuitive editors, and let Mermafy automatically generate Mermaid code in the background. No internet connection required.

KEY FEATURES

• Visual Diagram Builder
Create diagrams using user-friendly UI without learning Mermaid syntax.

• Multiple Diagram Types
Supports:
- Flowchart (Step Builder)
- Sequence Diagram (Conversation Builder)
- Gantt Chart (Project Timeline)
- Pie Chart
- Timeline
- Kanban Board
- Radar Chart
- XY Chart

• Live Preview
Instantly see your diagram update in real-time.

• Code Mode (Editable)
Switch to Mermaid code view and edit manually when needed.

• Node Shape Customization
Choose different shapes for flowchart nodes visually.

• Export & Share
Export diagrams as images (PNG) and share them easily.

• Offline First
No internet needed. Your data stays on your device.

• Templates Ready
Start faster with ready-to-use templates like:
- Login Flow
- API Sequence
- Project Gantt

• Multi-language Support
Available in multiple languages with automatic detection.

WHY MERMAFY?

Mermafy is designed to bridge the gap between visual diagram tools and code-based Mermaid diagrams. Whether you're a developer, student, or planner, Mermafy makes diagram creation simple, fast, and flexible.

No more memorizing syntax. Just focus on your ideas.

Start building diagrams smarter with Mermafy today!