JSON to YAML Converter

JSON Input
Lines —Chars —Size ——
YAML Output

Paste JSON data on the left to see yaml output

Convert JSON to YAML Online

The JSON to YAML Converter transforms your JSON data into clean, properly indented YAML. Perfect for creating Kubernetes manifests, Docker Compose files, CI/CD pipelines, Ansible playbooks, and other configuration files.

Key Features

📝

Clean YAML Output

Generates properly indented YAML with correct formatting for nested objects, arrays, and multiline strings.

⚡

Instant Conversion

Converts JSON to YAML in real time as you paste or upload your data. No waiting, no page reloads.

🔒

100% Private

All processing runs entirely in your browser. No data is ever sent to a server. Your JSON stays private.

How to Use

1
Paste or Upload JSONPaste your JSON into the editor or upload a .json file.
2
Select YAML OutputSwitch to the YAML tab to convert your JSON data into clean YAML format.
3
Copy or DownloadCopy the YAML output to clipboard or download it as a .yml file.

Common Use Cases

Kubernetes Manifests

Convert JSON definitions to YAML for Kubernetes deployments, services, and config maps.

Docker Compose Files

Transform JSON service definitions into YAML for Docker Compose multi-container configurations.

CI/CD Pipelines

Generate YAML pipeline configs for GitHub Actions, GitLab CI, CircleCI, and other CI/CD platforms.

Ansible Playbooks

Convert JSON task definitions to YAML format for Ansible playbooks and role configurations.

Frequently Asked Questions

How do I convert JSON to YAML?

Paste your JSON data or upload a JSON file. The converter automatically transforms it into clean, properly indented YAML output.

Is this JSON to YAML converter free?

Yes! Online Data Tools JSON to YAML Converter is completely free with no sign-up, no ads, and no data limits.

What is the difference between JSON and YAML?

Both are data serialization formats. JSON uses braces and brackets with strict syntax, while YAML uses indentation and is more human-readable. YAML is popular for configuration files in DevOps tools like Kubernetes and Docker Compose.

Is my JSON data safe during conversion?

Absolutely. All conversion happens in your browser using JavaScript. No data is ever sent to any server.