JSON to YAML Converter
Turn JSON into readable YAML — and back again.
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About the JSON to YAML Converter
YAML is JSON's human-friendly sibling — the format of Kubernetes manifests, GitHub Actions, Docker Compose and Ansible playbooks. Paste JSON and get clean, two-space-indented YAML; paste YAML and get pretty-printed JSON back, with strings, numbers, booleans and null preserved.
The YAML reader covers the everyday subset — nested maps, dash lists, scalars and # comments — which is what the vast majority of real-world config files use. Anything exotic, like anchors or multiline block scalars, raises a clear "unsupported feature" error instead of a silently wrong answer.
How to use it
- 1Paste JSON to see the YAML output.
- 2Or paste YAML (maps, lists, scalars) to see the JSON output.
- 3Copy either side — conversion errors are shown inline.
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