
StructLume — YAML Visualizer
See your YAML files as a diagram, right beside the editor.

What it does
- Opens a diagram of your YAML file automatically.
- Updates as you type.
- Click a node to jump to that line in the file.
- Search, zoom, and export as PNG or SVG.
- Works offline. No data leaves your computer.
Docker Compose, Kubernetes and GitHub Actions files get an extra tab that shows how things connect.
| Docker Compose |
Kubernetes |
 |
 |
GitHub Actions

Getting started
- Install StructLume.
- Open any
.yml or .yaml file.
- The diagram opens beside the file.
Closed the diagram? Click the StructLume button in the editor title bar to open it again.
Commands
| Command |
What it does |
| StructLume: Open Preview |
Opens the diagram |
| StructLume: Toggle Auto Open |
Turns automatic opening on or off |
| StructLume: Export Diagram |
Saves the diagram as PNG or SVG |
Settings
| Setting |
Default |
What it does |
structlume.autoOpen |
true |
Open the diagram automatically |
structlume.maxNodes |
5000 |
Large files start partly collapsed above this size |
structlume.showInheritedKeys |
true |
Show keys inherited through << |
structlume.diagnostics |
auto |
Show YAML errors in the Problems panel |
Feedback
Found a bug or have an idea? Open an issue.
License
MIT
| |