Sequence Diagram Generator
Create UML sequence diagrams with actors, messages, and lifelines using simple text-based DSL
Settings
Load Example
DSL Code
Syntax Reference
A -> B: message - Synchronous call
A --> B: message - Asynchronous call
A <-- B: message - Return message
A ->> A: message - Self-call
# comment - Comment line
Preview
0
Actors
0
Messages
Features
Message Types
- Synchronous calls
- Asynchronous calls
- Return messages
- Self-calls (loops)
Customization
- Custom actor colors
- Message line colors
- Lifeline styling
- Diagram title
Export & Examples
- Download as PNG image
- Copy DSL code
- Pre-built examples
- All processing client-side