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🔀 JSON ↔ YAML Converter

Convert between JSON and YAML with indentation control, multi-document YAML, and syntax error hints.

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Convert JSON to YAML or YAML to JSON with indentation controls and clear syntax error hints, including Kubernetes-style multi-document YAML input (---). Input text and converted output are processed in the current browser and are not uploaded to LittleOne Tools servers. Converted results should still be checked against the target system schema or deployment rules.