Transform JSON objects and arrays into clean YAML format. Preserves data types, nested structures, and array ordering. Perfect for Kubernetes manifests and CI config files.
Key Features
Converts complex JSON structures to clean, human-readable YAML
Configurable indentation width for YAML blocks and lists
Preserves scalar types including booleans, numbers, and null values
Ideal for crafting Kubernetes, Docker Compose, and CI/CD pipelines
How to Use
Paste your JSON data into the source textarea.
Configure formatting preferences such as indent size.
Click "Convert to YAML" to process your payload.
Verify the generated YAML structure in the output pane.
Copy the YAML text or download it as a .yaml file.
Example
Sample input
{"app":"demo","replicas":3,"tags":["web","api"]}
Sample output
app: demo
replicas: 3
tags:
- web
- api
Edge Cases
Null and boolean values
Empty objects and arrays
Keys that need quoting in YAML
Frequently Asked Questions
Is the generated YAML compatible with Kubernetes manifests?
Yes. The generated YAML follows standard YAML 1.2 specifications and can be directly used in Kubernetes manifests, Helm charts, and GitHub Actions workflows.
How are JSON null values converted in YAML?
JSON null values are converted to standard YAML null representations (either "null" or "~" depending on syntax conventions).
Will JSON strings with special characters require quotes in YAML?
The converter automatically quotes strings containing colons, curly braces, brackets, or leading special characters to ensure valid YAML output.
Privacy notice: when you run this tool, your input is sent over HTTPS to our server, processed in memory and returned. It is not stored or logged. Avoid pasting live secrets such as private keys or passwords.