How to Write PlantUML

Summary:

Comprehensive guide to writing PlantUML diagrams, including syntax, best practices, and examples.

Created on: March 31, 2026

Last updated: March 31, 2026

This section provides comprehensive guides for writing PlantUML diagrams and working with PlantUML syntax.

This is a complete guide covering PlantUML syntax, diagram types, best practices, and annotated examples.

1. What You’ll Learn

PlantUML syntax and diagram types My PlantUML pre-commit hook to automatically generate svg or png diagrams when committing .puml files see PlantUML pre-commit hook
Examples of PlantUML usage including database ERD diagrams

Select a guide from the sidebar to begin.

Title	Description	Updated
Reusable PlantUML Components: Modular Diagram Architecture and Shared Styling	Learn how to create reusable PlantUML components for modular diagram architecture and shared styling across multiple diagrams.	2026-03-31 21:00:00 +0100 +0100

Title	Description	Updated
Reusable PlantUML Components: Modular Diagram Architecture and Shared Styling	Learn how to create reusable PlantUML components for modular diagram architecture and shared styling across multiple diagrams.	2026-03-31 21:00:00 +0100 +0100

Or, if you want, you can alternatively use the GitHub discussion Q&A for feedback and questions.