Convert simple YAML fields
Input
name: John age: 30
Output
{
"name": "John",
"age": 30
} Useful for converting flat YAML key-value pairs into JSON.
Converters
Review practical YAML to JSON examples so you can understand expected input, output, and common patterns faster.
Use this YAML to JSON converter to turn YAML into structured JSON instantly. It is useful for config migration, DevOps workflows, app settings, infrastructure files, and developer tasks where a YAML structure needs to become machine-friendly JSON. Paste simple YAML data to convert it into readable JSON directly in the browser.
Example pages are especially useful for converters because they show what good input looks like, what kind of output to expect, and how the tool behaves in common scenarios.
Input
name: John age: 30
Output
{
"name": "John",
"age": 30
} Useful for converting flat YAML key-value pairs into JSON.
Input
app: name: demo debug: true ports: - 3000 - 3001
Output
{
"app": {
"name": "demo",
"debug": true
},
"ports": [
3000,
3001
]
} Helpful when moving YAML config structure into JSON-based systems.
Fix: Use consistent spaces because YAML structure depends on indentation.
Fix: Use clean key-value YAML with standard nesting and lists for predictable conversion.
Fix: JSON does not support comments, so only the actual data can be converted.
After reviewing these examples, run the live tool with your own input. If your task involves a follow-up step, the related page can help you move to the next tool in the workflow.
Open the main YAML to JSON page and test your own real input.