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JSON ↔ YAML Converter

Two-way conversion between JSON and YAML (supports maps, lists, nesting, and scalars).

A two-way converter between JSON and YAML — supports maps, lists, nested structures, and scalars. Handy when working with Kubernetes, Docker Compose, or CI/CD config files.

How to use JSON ↔ YAML

  1. Paste JSON or YAML into the corresponding box.
  2. Choose the conversion direction (JSON→YAML or YAML→JSON).
  3. View the result and copy it.

Frequently asked questions

Does it preserve key order?

Yes, key order is preserved during conversion.

Can it convert multi-document YAML (---)?

The tool is optimized for one YAML document at a time; for multiple documents, split them and convert each part separately.

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🔒 JSON ↔ YAML Converter runs entirely in your browser — the data you enter is not sent to any server. Free, no sign-up required. See145 free dev tools more.