CodeMash

Converters

XML → JSONJSON → XMLYAML → JSONJSON → YAMLHTML → PugPug → HTMLJSON → SchemaJSON → IONJSON → M3UText → JSONJSON → CSVCSV → JSONJSON → TypeScriptJSON → GoMD → HTMLHTML → MD

Formatters

JSON FormatXML FormatHTML FormatCSS FormatJS FormatSQL Format

Decoders

Base64JWT DecodeURL EncodeHTML Entities
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JSON to YAML Converter Online — Free

Convert JSON data to clean, human-readable YAML format.

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Frequently Asked Questions

Is the YAML output valid for Kubernetes configs?

Yes, the YAML output follows the YAML 1.2 spec and is compatible with Kubernetes, Docker Compose, Ansible, and other DevOps tools.

How are JSON arrays converted to YAML?

JSON arrays are converted to YAML sequences using the dash (-) notation, maintaining the order of elements.

Can I convert JSON API responses to YAML?

Yes, paste any valid JSON — including API responses — and get clean YAML output instantly. Great for creating configuration files from API data.

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