Does it preserve YAML comments?

JSON does not support comments, so YAML comments are lost when converting to JSON. They are preserved when converting JSON to YAML.

What YAML features are supported?

All standard YAML features: mappings, sequences, scalars, multiline strings, anchors, and aliases.

Is it safe for DevOps configs?

Yes. No data leaves your browser, making it safe for sensitive infrastructure configurations.

YAML ↔ JSON Converter

Convert infrastructure code between YAML and JSON easily in your browser.

Output

Free YAML to JSON Converter

YAML is the human-friendly configuration format used by Docker Compose, Kubernetes, GitHub Actions, and countless DevOps tools. JSON is the universal data format for APIs and applications. Our converter translates between these formats instantly, preserving data types, nested structures, and comments where possible.

This tool is invaluable for DevOps engineers who need to validate YAML configurations by converting them to JSON, or for developers who need to create YAML from existing JSON data structures. The conversion is lossless for all standard data types.

How to Use This Tool

Paste YAML or JSON into the input.
Select the target format.
Copy the converted result.

Frequently Asked Questions

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