Code snippets for Confluence
Create code documentation, snippets, developer Q&A, and Mermaid diagrams in Confluence.
ConvertonFreemium
UML for Confluence Cloud
by VicoAtlassianPaid
Create PlantUML diagrams and charts from text inside Confluence Cloud pages.
PRICINGPaid
DEPLOYMENTCloud
CATEGORYSoftware development
UPDATED ON MARKETPLACE
What it does
Adds UML diagrams and charts to Confluence pages from PlantUML syntax. The macro is inserted by typing /uml, adding a code block, and entering or pasting UML text. Publishing the page displays the diagrams.
Key capabilities
from the Atlassian Marketplace listingText-based diagrams
Creates diagrams and charts from PlantUML syntax entered as text.
Slash-command insertion
Inserts the macro in a Confluence page by typing /uml and pressing Enter.
UML diagram types
Supports sequence, use case, class, activity, component, state, and object diagrams.
Flowchart creation
Generates flowcharts and other chart types supported by PlantUML.
How it compares
UML for Confluence Cloud is paid and cloud-deployed, as is Include from GitHub to Confluence (Markdown, AsciiDoc). UML for Confluence Cloud was updated in Aug 2026, while Include from GitHub to Confluence (Markdown, AsciiDoc) was updated in Sep 2026.
| Name | Pricing | Deployment | Updated |
|---|---|---|---|
| this plugin | Paid | Cloud | |
| Confluence Cloud | Price not published | Cloud | |
| Include from GitHub to Confluence (Markdown, AsciiDoc) | Paid | Cloud · Data Center |
In the catalog
102 plugins in Confluence · Software development
Price distribution: 33 free, 34 freemium, 35 paid
Pricing & deployment
Platform
Atlassian
Product
Confluence
Deployment
Cloud
Pricing
Paid
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What the vendor says
«This macro can be used to add various charts in PlantUML syntax into a Confluence page with no extra work by typing /uml and insert an UML code block using a special syntax defined by the PlantUML Project . The macro can be used to generate the following diagram types: Sequence Diagram Use Case Diagram Class Diagram …»