JSON to YAML Converter — Free Online Tool
Convert JSON to YAML and YAML to JSON, instantly and privately.
About JSON to YAML Converter
This converter translates between JSON and YAML in both directions. It's handy for working with config files, CI/CD pipelines, Kubernetes manifests, and APIs where one format is required but you have the other.
Both conversions run locally in your browser using a robust YAML parser, so your data is never uploaded and the result is accurate and instant.
How to Use JSON to YAML Converter
- Paste JSON or YAML into the input box.
- Click JSON → YAML or YAML → JSON.
- Review the converted output.
- Click Copy to grab the result.
Key Features
Convert JSON to YAML and YAML to JSON
Clear validation and error messages
Pretty, readable output
One-click copy
100% client-side and private
Frequently Asked Questions
How do I convert JSON to YAML?
Paste your JSON into the input box and click JSON → YAML. The equivalent YAML appears in the output, ready to copy.
Can I convert YAML back to JSON?
Yes. Paste YAML and click YAML → JSON to get formatted JSON output.
What happens if my input is invalid?
The tool validates as it converts. If the JSON or YAML can't be parsed, it shows a clear error message instead of a broken result.
Is my data uploaded?
No. Conversion runs entirely in your browser, so your data stays private.