JSON to YAML Converter

Convert JSON to properly formatted YAML instantly — great for Kubernetes manifests, Docker Compose, and CI/CD config files.

About the JSON to YAML Converter

YAML is the standard config format for Kubernetes, Docker Compose, GitHub Actions, and countless other tools, but it's tedious to write by hand when you're starting from JSON data — say, an API response or exported config. Manually reformatting nested objects and arrays into valid YAML indentation is slow and easy to get wrong.

Paste your JSON here and get back correctly indented, valid YAML instantly. It handles nested objects, arrays, and all standard JSON types. Nothing is sent to a server — the conversion runs entirely in your browser, so it's safe to paste config files or API responses that contain sensitive data.

How to Convert JSON to YAML

  1. Step 1

    Paste your JSON

    Paste or type your JSON data into the input box.

  2. Step 2

    Convert instantly

    Your JSON is converted to properly formatted YAML automatically.

  3. Step 3

    Copy or download

    Copy the YAML output or download it as a .yaml file.

Frequently Asked Questions

What JSON structures are supported?

All standard JSON types — nested objects, arrays, strings, numbers, booleans, and null.

Is the output valid YAML for tools like Kubernetes?

Yes — the output follows standard YAML syntax and indentation rules used by Kubernetes, Docker Compose, and similar tools.

Will my data be uploaded anywhere?

No — conversion happens entirely in your browser, so it's safe to use with config files containing secrets or API keys.

Can I convert back from YAML to JSON?

Yes — use our YAML to JSON Converter for the reverse direction.

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