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JSON to YAML

Convert JSON data to YAML format for configuration files, Kubernetes manifests, and more.

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Paste JSON, keep line numbers visible, and convert or copy YAML without leaving fullscreen mode.

Quick examples

YAML Output
environment: production
flags:
  newNavbar: true
  betaBilling: false
  rateLimit: 120

Usage notes

  • YAML is commonly used for Docker Compose, Kubernetes, CI/CD configs.
  • Nested objects and arrays are properly indented with 2-space indentation.
  • Strings with special characters are automatically quoted.

Related pages

YAML to JSONJSON FormatterAll Developer Tools

How to Use This Tool

  1. 1Paste your JSON into the input area.
  2. 2Click Convert to YAML to see the YAML output.
  3. 3Copy the result using the Copy YAML button.

Frequently Asked Questions

Why convert JSON to YAML?
YAML is widely used for configuration files in tools like Docker Compose, Kubernetes, GitHub Actions, and Ansible. Converting from JSON to YAML makes it easier to create or edit these config files.
How is the YAML formatted?
The converter uses 2-space indentation, which is the most common YAML convention. Objects become key-value pairs and arrays use the dash (-) prefix.
Are special characters handled?
Yes. Strings containing colons, hash symbols, quotes, or newlines are automatically wrapped in double quotes to prevent parsing issues.
Can I convert YAML back to JSON?
Yes. Use our YAML to JSON converter tool, which is available in the Developer Tools category.
Is my data sent to a server?
No. All conversion happens in your browser. Your data stays on your device.