Visual Studio Code has had a PlantUML extension for a while now
Posted by jpluimers on 2025/12/17
During my cancer treatments I missed a lot of fun things, including that, a PlantUML extension for vscode (Visual Studio Code) matured into a well-maintained one.
I bumped into it when revisiting git – How to integrate UML diagrams into GitLab or GitHub – Stack Overflow (GitLab was first to natively support PlantUML; hopefully GitHub follows one day) and found the profile of [Wayback/Archive] Fuhrmanator which mentioned the vscode PlantUML extension.
Some links below, as I think it is a cool one!.
- [Wayback/Archive] Using PlantUML in VSCode – YouTube short 5 minute demo
- [Wayback/Archive] PlantUML – Visual Studio Marketplace
- [Wayback/Archive] qjebbs/vscode-plantuml: Rich PlantUML support for Visual Studio Code.
- [Wayback/Archive] visual studio code – how to use the plantUML preview in VSCode? – Stack Overflow (thanks [Wayback/Archive] Yannick Pezeu and [Wayback/Archive] Bruno Habermann)Note: If you are a road warrior, you might consider running PlantUML locally for rendering (besides requiring Graphviz, it also requires a Java Runtime Environment for which the Oracle version can bring you into licensing problems. PlantUML might run on top of an OpenJDK based JRE), otherwise just run the server based PlantUML rendering.
- [Wayback/Archive] How to Use PlantUML Diagrams in Visual Studio Code For Windows 10 has a small tutorial.
Queries
- [Wayback/Archive] plantuml vscode – Google Search
- [Wayback/Archive] plantuml openjdk – Google Search
–jeroen
The Wiert Corner - irregular stream of stuff 
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