JSON to YAML Converter
Convert JSON to clean, indented YAML in your browser — handling nested objects and arrays, with safe quoting. Free.
JSON to YAML
Paste JSON to convert it to clean, indented YAML.
Features
Common use cases
- 1Turning a JSON config into YAML
- 2Writing a Docker Compose or CI file
- 3Migrating settings between formats
- 4Making a config more readable
- 5Prepping Kubernetes manifests
- 6Learning YAML from JSON
Related tools
About JSON and YAML
YAML and JSON represent the same data, but YAML uses indentation instead of braces, which many find more readable for configuration files like Docker Compose, GitHub Actions and Kubernetes.
This converter parses your JSON and re-serializes it as YAML entirely in your browser. It quotes strings that could otherwise be misread as numbers or booleans. For very large or exotic documents, validate the output with your target tool before relying on it.
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Got Questions? We Have Answers.
Does it handle nested data?
Yes. Nested objects and arrays are converted to properly indented YAML, and ambiguous strings are quoted so they are not misread.
Is my JSON uploaded?
No. The conversion parses and re-serializes entirely in your browser.
Why convert JSON to YAML?
YAML is more readable for configuration files like Docker Compose, GitHub Actions and Kubernetes manifests, while carrying the same data.
What if my JSON is invalid?
The tool shows the parse error instead of output, so it doubles as a quick JSON validity check.