Convert YAML to JSON format instantly. Transform YAML configuration files into JSON objects for use in web applications, APIs, and modern development workflows.
Converting YAML to JSON is commonly needed when working with configuration files (Docker Compose, Kubernetes, CI/CD) that need to be consumed by JavaScript applications or REST APIs. JSON is the native data format for JavaScript and is required by many tools and libraries that don't support YAML directly.
YAML Key-Value → JSON Key-Value, YAML List → JSON Array, YAML Map → JSON ObjectYAML's key-value pairs map directly to JSON object properties, YAML lists (using - syntax) become JSON arrays, and YAML nested maps become nested JSON objects. YAML's multi-line strings and anchors have special handling during conversion.
| Input | Output |
|---|---|
| name: John age: 30 city: NYC | { "name": "John", "age": 30, "city": "NYC" } |
| items: - apple - banana - cherry | { "items": ["apple", "banana", "cherry"] } |
| server: host: localhost port: 3000 debug: true | { "server": { "host": "localhost", "port": 3000, "debug": true } } |