JSON to YAML Converter
Convert JSON data to YAML format with real-time conversion. This tool helps developers quickly transform JSON configurations, data files, and API responses into YAML format, which is commonly used in configuration files, CI/CD pipelines, and infrastructure as code.
When to use this tool
You need to convert JSON API responses into YAML for configuration files or infrastructure tools.
You want to review JSON data in a more human-readable, indentation-based format.
Examples
Kubernetes-style configuration
Input
{ "apiVersion": "v1", "kind": "ConfigMap", "metadata": { "name": "app-config" } }Output
apiVersion: v1 kind: ConfigMap metadata: name: app-config
JSON object nesting becomes YAML indentation.
Array conversion
Input
{ "ports": [80, 443], "enabled": true }Output
ports: - 80 - 443 enabled: true
Arrays become YAML lists with dash notation.
Developer use cases
Turn API payloads into YAML for Kubernetes manifests or CI configuration.
Quickly compare JSON configuration files in YAML-friendly diffs.
Common mistakes to avoid
Expecting comments to carry over from JSON (JSON does not support comments).
Assuming object key order is guaranteed after conversion.
Format and behavior notes
YAML output uses 2-space indentation for nested objects.
Arrays are rendered with dash notation (-) per line.
Related guides
Related Tools
Frequently Asked Questions
How do I convert JSON to YAML?
Simply paste your JSON data into the editor on the left. The YAML output will appear automatically on the right side in real-time as you type.
Does this tool work with large JSON files?
Yes, the converter can handle reasonably large JSON files. However, very large files (several megabytes) may take longer to process.
Is my data sent to a server?
No, all conversion happens entirely in your browser. Your data never leaves your device, ensuring complete privacy and security.