JSON to YAML Converter

Convert JSON to YAML format with proper indentation. Handles nested objects, arrays, and special characters. Free and fully client-side.

Everything runs in your browser — your data is never sent to any server.

Why use a JSON to YAML Converter?

YAML (YAML Ain't Markup Language) is a human-readable data format commonly used for configuration files in Docker, Kubernetes, CI/CD pipelines, and many frameworks. Converting JSON to YAML makes configuration files more readable and easier to edit manually, while maintaining compatibility with parsers that accept both formats.

Key Features

  • Proper YAML indentation for nested objects and arrays
  • Correct handling of strings that need quoting
  • Support for multiline strings with literal block scalars

How to use

  1. Paste your JSON data in the input field
  2. Click Convert to generate YAML output
  3. Copy the YAML result for your configuration files

Technical Details

The converter recursively processes JSON structures, applying proper YAML indentation rules. Strings that could be misinterpreted (booleans, numbers, empty strings, strings containing colons or special characters) are automatically quoted. Multiline strings use YAML's literal block scalar (|) notation.

FAQ

Is the output valid YAML?

Yes, the output follows YAML 1.2 specification. Strings that could be ambiguous are properly quoted, and nested structures use consistent indentation.

Can I convert YAML back to JSON?

Yes, we also offer a YAML to JSON converter tool for the reverse conversion.

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