Mermaid Viewer Live Editor

The Mermaid Viewer Live Editor is a professional diagram creation environment that provides powerful editing features and real-time preview, helping you efficiently create various types of technical diagrams.

Editor Layout

The Live Editor features a dual-pane layout:

• Left Panel: Code editor for inputting and editing Mermaid syntax
• Right Panel: Diagram preview area that displays the rendered diagram in real-time
• Middle Divider: Draggable separator to adjust the relative size of the two panels

This intuitive layout design allows you to view both code and preview simultaneously, improving editing efficiency.

Editor Features

Code Editing Functions

• Syntax Highlighting: Automatically colors different Mermaid syntax elements, improving code readability
• Auto-completion: Provides intelligent suggestions when entering common syntax structures
• Error Indicators: Displays syntax errors in real-time with correction suggestions
• Code Folding: Allows folding of sections in large diagrams for easier management of complex code

Responsive Design

• Supports access from desktop and mobile devices
• Automatically adjusts to a vertical split layout on mobile devices
• Touch screen support, suitable for tablet use

Data Management

• Auto-save: Editing content is automatically saved to local storage
• Version Management: Records editing history, allowing you to revert to previous versions
• Import Functionality: Supports importing Mermaid code from files or URLs

Practical Tools

Sharing and Collaboration

• Generate unique sharing links for easy collaboration with team members
• Real-time synchronization of changes, supporting simultaneous editing by multiple users
• Permission control, with options for read-only or editable access

Export Options

• Multiple Formats: Supports export in SVG, PNG, and PDF formats
• Customization Settings: Adjust diagram size, background color, theme, and more
• High Resolution: Supports high DPI export settings, suitable for print scenarios

Advanced Features

• Theme Switching: Supports light and dark modes to reduce eye strain
• Full-screen Mode: Provides a distraction-free editing environment
• Keyboard Shortcuts: Offers shortcuts for common operations to improve workflow efficiency

Technical Details

The editor is built on modern web technologies:

• Uses CodeMirror as the code editor core
• Integrates the latest version of the Mermaid.js rendering engine
• Employs responsive design to adapt to various screen sizes
• Supports touch operations and gesture controls

The Mermaid Viewer Live Editor provides an ideal diagram creation environment for technical documentation authors, software engineers, product managers, and educators, allowing you to create professional diagrams anytime, anywhere, without installing any software.