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JSON to YAML Converter — Free Online Tool

Paste your JSON and get clean, properly indented YAML output. Instantly. No sign-up required.

Convert back to JSON?

Transform YAML data back to JSON format

How to json to yaml

  1. 1.Paste or type your JSON data into the input text area
  2. 2.Click 'Convert' to generate the YAML output
  3. 3.Review the YAML data in the output area
  4. 4.Click 'Copy' to copy the YAML to your clipboard

About This Tool

Converting JSON to YAML is a common task when working with configuration files, Kubernetes manifests, CI/CD pipelines, and other systems that prefer YAML's human-friendly syntax. This tool takes valid JSON input and transforms it into clean, properly indented YAML.

YAML's whitespace-based structure makes it easier to read than JSON for configuration files, especially when dealing with deeply nested data. This JSON to YAML converter preserves all data types — strings, numbers, booleans, null values, arrays, and nested objects — and formats the output with consistent 2-space indentation.

All processing happens locally in your browser. Your JSON data is never sent to a server, making this JSON to YAML converter safe for sensitive configuration data, API responses, and internal documents. There are no file size limits, no account requirements, and no ads.

Frequently Asked Questions

Any valid JSON is supported — objects, arrays, nested structures, strings, numbers, booleans, and null values. The converter uses the browser's native JSON parser, so if it's valid JSON, it will convert.

Nested JSON objects are converted to indented YAML blocks. Each level of nesting adds 2 spaces of indentation, making the hierarchy easy to read.

JSON arrays are converted to YAML sequences using the dash (- ) prefix for each item. Nested arrays and arrays of objects are handled with appropriate indentation.

Yes. Use the YAML to JSON converter tool to reverse the conversion. Both tools are available for free on this site.

No. All conversion happens locally in your browser. Your data is never transmitted to any server and is not stored or logged in any way.

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YAML to JSONJSON FormatterYAML Formatter