Beauty Diagram
Guide

Beautify PlantUML activity diagrams

Improve PlantUML activity diagrams for process docs, handoffs, and reviews with clearer branches, cleaner exports, and presentation-ready styling.

Follow the workflow, open the example in the editor, then export or save the cleaner result.

At a glance

Use this guide when a PlantUML activity diagram is accurate but too dense or plain for a review, handoff, or slide deck.

Keep the activity meaning intactPaste and previewPolish branches and loopsExport for the review format
Rendered proof
A PlantUML activity flow that benefits from cleaner branch and retry presentation.
Theme · Obsidian
Open this diagram in editor
yes no Start Receive request DECISION Valid? Process request Sendconfirmation Returnvalidationerrors Stop
View PlantUML sourcePlain-text diagram syntax — copy or edit directly.
diagram.puml
1@startuml
2start
3:Receive request;
4if (Valid?) then (yes)
5  :Process request;
6  :Send confirmation;
7else (no)
8  :Return validation errors;
9endif
10stop
11@enduml

Keep the activity meaning intact

Activity diagrams usually communicate decisions, joins, and process ownership. Beautification should improve readability without flattening those semantics.

  • Name decision outcomes clearly
  • Keep joins and merges obvious
  • Shorten action labels before export

Paste and preview

Paste the PlantUML activity source into the editor and confirm the preview before applying visual polish.

Polish branches and loops

The biggest visual gains usually come from clearer branch separation and calmer loop or retry paths.

Export for the review format

Use SVG for process documentation and HD PNG for slide decks or handoff documents that expect images.

Guide FAQ

Questions about this workflow

Does Beauty Diagram support all PlantUML syntax?

No. PlantUML support is being expanded in phases. Activity workflows are a primary supported path.

Can I export PlantUML diagrams as PNG?

Yes. Once rendered and beautified, export workflows can produce PNG for compatible handoff.

Should I use Mermaid instead?

Use Mermaid for lightweight docs-first charts and PlantUML when your team already maintains activity-style process source.