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Mermaid Templates Gallery

Browse and use professional Mermaid diagram templates with support for 19 chart types. All templates support live preview and multi-format export

Flow Charts

Charts that display processes, decisions, and workflows

Flowchart
Show processes and decision trees
flowchartClick to use
State Diagram
Show system state transitions
stateClick to use
Git Graph
Show Git branches and merges
gitgraphClick to use
Sankey Diagram
Show flow distribution relationships
sankeyClick to use

Sequence Charts

Show interaction timing and message passing between objects

Sequence Diagram
Show interaction sequences between objects
sequenceClick to use

Structure Charts

Display system structure, relationships, and architecture

Class Diagram
Show relationships between classes and objects
classClick to use
ER Diagram
Show database entity relationships
entity-relationshipClick to use
Mind Map
Show mind structure diagrams
mindmapClick to use
Requirement Diagram
Show system requirement relationships
requirementClick to use
C4 Diagram
Show system architecture layers
c4Click to use
Block Diagram
Show system module relationships
blockClick to use
Architecture Diagram
Show software architecture structure
architectureClick to use

Other Charts

Other professional chart types

User Journey
Show user experience flows
user-journeyClick to use
Gantt Chart
Show project time planning
ganttClick to use
Pie Chart
Show data proportion distribution
pieClick to use
Timeline
Show time series events
timelineClick to use
Quadrant Chart
Show four-quadrant analysis
quadrant-chartClick to use
XY Chart
Show coordinate data relationships
xy-chartClick to use
Packet Diagram
Show network packet structure
packetClick to use

Mermaid Online Diagram Generation Price Plans

Choose the perfect Mermaid chart generation plan that suits your needs. Create professional flowcharts, sequence diagrams and more at affordable prices.

Basic One-time

Pay once for 1000 credits.

$8.9
$19.9
  • Export to PNG/SVG
  • 100 Diagram Storage limit
  • 1000 Credits Total
  • Up to 500 times AI Mermaid Optimization
  • Up to 500 times AI Mermaid Generation

Standard One-time

Pay once for 20000 credits.

$99.9
$19.9
  • Export to PNG/SVG
  • No Watermark Export
  • 20000 Credits Total
  • 10000 times AI Mermaid Optimization
  • 10000 times AI Mermaid Generation

Monthly Basic Package

Monthly access to 1000 credits.

$4.9/mo
$8.9
  • Export to PNG/SVG
  • 100 Diagram Storage limit
  • 1000 Credits Total
  • Up to 500 times AI Mermaid Optimization
  • Up to 500 times AI Mermaid Generation

Start Creating Your Diagrams

Select any template above to get started, or check the syntax documentation to learn how to create custom diagrams. All templates support live preview and multi-format export.

View Syntax Documentation