Convert JSON to YAML online for free. Paste any JSON — objects, arrays, nested structures — and get clean, readable YAML output in your browser.
About this tool
JSON uses braces, brackets, and quotes to define data structures, making it compact and ideal for APIs. YAML uses indentation and is more human-readable, commonly used in Docker Compose, Kubernetes, GitHub Actions, and other configuration files.
Yes, the converter supports any level of nesting. Objects, arrays, strings, numbers, booleans, and null values are all converted accurately regardless of depth.
Yes, use the Indent option to set the number of spaces used for each indentation level. The default is 2 spaces.
Yes. JSON strings, numbers, booleans (true/false), and null values are all correctly represented in the YAML output using their native YAML equivalents.
No, all conversion happens locally in your browser using JavaScript. Your data never leaves your device.