YAML (YAML Ain't Markup Language) is a human-readable data serialization format used extensively in configuration files, CI/CD pipelines, and Kubernetes manifests.

When should I use YAML over JSON?

YAML is better for configuration files because it is more readable, supports comments, and requires less syntax. JSON is better for data interchange APIs.

Does YAML support comments?

Yes, YAML supports comments with the # symbol. JSON does not support comments natively.

Yes, conversion happens entirely in your browser.

JSON ↔ YAML Converter

Convert between JSON and YAML formats instantly with validation and download support.

JSON Input

YAML Output

JSON to YAML Converter is a free online tool that converts between JSON and YAML formats instantly. JSON is the standard for APIs and data interchange, while YAML is popular for configuration files (Docker Compose, Kubernetes, CI/CD pipelines). This tool validates your input and produces clean, readable output in both directions.

Frequently Asked Questions

What is the difference between JSON and YAML? +

JSON uses braces and quotes, making it ideal for APIs and data transfer. YAML uses indentation and is more human-readable, making it popular for configuration files. Both formats represent the same data structures.

Does this tool validate the input? +

Yes. If your JSON or YAML is malformed, an error message will display with details about what went wrong, so you can fix it before converting.

Is my data private? +

Yes. All conversion happens locally in your browser. No data is sent to any server.

Frequently Asked Questions

: YAML (YAML Ain't Markup Language) is a human-readable data serialization format. It is widely used in configuration files, CI/CD pipelines, and Kubernetes manifests.

JSON ↔ YAML Converter

Frequently Asked Questions

Frequently Asked Questions

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