Convert JSON to YAML and YAML to JSON instantly
Free online JSON to YAML converter. Transform JSON configuration files to YAML format or convert YAML back to JSON. Supports nested objects and arrays.
YAML (YAML Ain't Markup Language) is a human-friendly data serialization format commonly used for configuration files in tools like Docker, Kubernetes, GitHub Actions, and Ansible.
YAML is a superset of JSON and uses indentation instead of brackets and braces. It's more readable for humans but slightly harder to parse programmatically. JSON is stricter and faster to parse.
Yes. Switch to the YAML → JSON tab and paste your YAML. The tool converts it to properly formatted JSON.
Yes. All conversion happens in your browser using the js-yaml library. No data is sent to any server.
Yes. The converter fully handles nested objects, arrays, strings, numbers, booleans, and null values in both directions.
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Last updated: January 2025