JSON to YAML Converter
Move cleanly between JSON and YAML with validation and readable output.
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How to use JSON to YAML Converter
- 1Choose JSON to YAML or YAML to JSON.
- 2Paste data or load the example.
- 3Adjust indentation when needed.
- 4Copy or download the converted output.
Convert configuration data with validation
Use the JSON to YAML converter for configuration files, CI pipelines and readable data. Reverse the direction when an API or application needs strict JSON.
YAML can represent features JSON cannot, including dates and special tags. Review those values after conversion when interoperability matters.
Frequently asked questions
Does it support YAML arrays and nested objects?
Yes. It handles standard YAML sequences, mappings, scalars and nested data.
Can YAML comments be preserved?
No. Conversion works with the parsed data model, so comments and original formatting are not retained.
Is the output valid JSON?
Yes. YAML to JSON output is serialized with JSON.stringify after the YAML is parsed successfully.
Does the data leave my browser?
No. Both conversions happen locally.