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Free JSON to YAML Converter

Paste any JSON object or array and convert it instantly into clean, indented YAML.

About This Tool

Free JSON to YAML converter online — paste any JSON object or array and instantly get clean, properly indented YAML output. Commonly used by developers working with Kubernetes manifests, Docker Compose files, CI/CD pipelines (GitHub Actions, GitLab CI), and Ansible playbooks that require YAML, but who prefer drafting or receiving data as JSON. Handles nested objects, arrays, strings, numbers, and booleans correctly. Everything runs locally in your browser — nothing is sent to a server.

How to Use

  1. 1

    Paste your JSON

    Paste any valid JSON object or array into the input box.

  2. 2

    Convert

    Click Convert to generate properly indented YAML.

  3. 3

    Copy the YAML

    Copy the YAML output to your clipboard.

Frequently Asked Questions

Does it support nested objects and arrays?+
Yes — nested JSON objects and arrays of any depth are converted into correctly indented YAML mappings and sequences.
What YAML style is used?+
The tool outputs standard block-style YAML (indented mappings and "- " list items), which is the most common and readable YAML style.
Can I use this for Kubernetes or Docker Compose files?+
Yes — many developers draft configuration as JSON and convert it to YAML for tools like Kubernetes, Docker Compose, and CI/CD pipelines that expect YAML.

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