100% local — your data never leaves your browser

JSON to YAML Converter — Free Online Tool

Convert JSON to clean YAML instantly in your browser. Free, private and offline-friendly: your data never leaves your device.

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JSON input

YAML output

Why convert JSON to YAML?

YAML is the standard for configuration files — Kubernetes, Docker Compose, GitHub Actions, CI pipelines. When an API or a tool hands you JSON, paste it above and get clean, readable YAML you can drop straight into your config files.

How it works

The converter parses your JSON locally and serializes it back as YAML with two-space indentation. Quoting and escaping follow the YAML specification, so edge cases like multiline strings, special characters and reserved words are handled for you.

Frequently asked questions

Is my JSON data uploaded to a server?
No. The conversion runs entirely in your browser with JavaScript. Nothing is sent over the network, which makes the tool safe for sensitive data.
Are key order and nesting preserved?
Yes. The converter keeps the original key order and reproduces the full structure with two-space indentation, the most common YAML convention.
Are special characters handled correctly?
Yes. Strings that need it are quoted or escaped automatically, including multiline text, so the output is always valid YAML.