YAML is a human-readable data serialization format commonly used for configuration files.

YAML to JSON Converter

Convert YAML to JSON online. Transform YAML configuration files and data structures into JSON format without any server-side processing.

YAML Input

JSON Output

What does this tool do?

The YAML to JSON Converter parses YAML (YAML Ain’t Markup Language) data and outputs equivalent JSON. Useful for working with configuration files, CI/CD pipelines, and Kubernetes manifests.

How to use this tool

Paste your YAML into the input field
Click Convert
Copy the JSON output

Supported YAML features

Key: value pairs (strings, numbers, booleans, null)
Nested objects via indentation
Arrays using - item syntax
Quoted strings (single and double quotes)
Comments (ignored during parsing)

Common use cases

Converting docker-compose.yml to JSON for inspection
Transforming Kubernetes YAML manifests to JSON
Parsing GitHub Actions workflow files
Converting OpenAPI YAML specs to JSON
Debugging configuration files by viewing as JSON

Example

Input YAML:

name: Alice
age: 30
active: true
address:
  city: New York
hobbies:
  - reading
  - coding

Output JSON:

{
  "name": "Alice",
  "age": 30,
  "active": true,
  "address": { "city": "New York" },
  "hobbies": ["reading", "coding"]
}

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