JSON to YAML Converter - Transform Config Files

Convert JSON to YAML format instantly online. Perfect for Kubernetes, Docker, and configuration files. Free, private, processes in your browser.

JSON Input

YAML Output

Indent:

Inline short arrays

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Frequently Asked Questions

YAML is popular for configuration files in tools like Kubernetes, Docker Compose, Ansible, GitHub Actions, CircleCI, and many other DevOps tools due to its human-readable format.

JSON objects become YAML mappings, arrays become sequences, and values maintain their types. Strings are automatically quoted when needed to preserve meaning.

Yes. You can set the indentation level (2 or 4 spaces) and enable inline arrays for compact representation of simple lists.

Strings are automatically quoted when they contain special YAML characters (:, #, -, etc.), look like numbers/booleans, or have leading/trailing whitespace. This ensures correct parsing.

Yes. Deeply nested objects and arrays are properly converted with correct indentation. Perfect for complex Kubernetes manifests or Docker Compose configurations.

Multi-line strings (containing \n) are converted to YAML's block scalar style using the pipe (|) character, maintaining readability and proper line breaks.

Absolutely. Convert JSON configuration to YAML for GitHub Actions workflows, GitLab CI, CircleCI, or any CI/CD tool that prefers YAML over JSON.

Yes. All conversion happens in your browser using JavaScript. No data is sent to any server. Perfect for sensitive configuration files.

JSON null becomes YAML null, true/false remain as boolean values. Numbers are preserved as numeric types, not quoted strings.

Yes. This tool is perfect for converting Kubernetes resource definitions from JSON to YAML format, which is the preferred format for most Kubernetes users.

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