JSON to YAML Converter
JSON → YAML — convert instantly in your browser
YAML Output
About JSON to YAML Converter
Paste any JSON and it is converted to clean, readable YAML as you type — no upload, no sign-up. Everything runs locally in your browser, so even sensitive data never leaves your machine.
Great for converting API responses or config objects into YAML format for use in Kubernetes, Docker Compose, or CI pipelines.
FAQ
Is my data sent anywhere? No — conversion happens entirely in your browser using the js-yaml library.
What JSON types are supported? All standard JSON types: objects, arrays, strings, numbers, booleans, and null.
Will the output be valid YAML? Yes — js-yaml produces standards-compliant YAML 1.2 output.