JSON to YAML Converter
Convert JSON data to clean, readable YAML format in one click. Validates JSON and outputs properly indented YAML. Free, runs entirely in your browser.
💻 Developer Tools
Free
Browser-based
Why Convert JSON to YAML?
JSON is the lingua franca of APIs and data exchange, but YAML is preferred for configuration files because it is much easier to read and write. Converting JSON responses or schemas to YAML makes them easier to use in Kubernetes manifests, Docker Compose files, Ansible playbooks and GitHub Actions workflows.
JSON to YAML Type Mapping
| JSON Type | YAML Equivalent |
|---|---|
| Object {} | Mapping (key: value) |
| Array [] | Sequence (- item) |
| String | Plain or quoted string |
| Number | Integer or float |
| Boolean | true / false |
| null | null or ~ |
Tips
Strings containing special characters like colons, hash signs or leading/trailing spaces will be quoted automatically. Deeply nested JSON produces deeply indented YAML — consider restructuring your data if nesting goes beyond 4–5 levels.