JSON to YAML Converter
Convert JSON data to YAML format
JSON to YAML Converter is a free online tool from BrowserUtils that convert json data to yaml format. It runs entirely in your browser — your data never leaves your device. No account required.
How to use JSON to YAML Converter
- 1 Paste or type your input into the editor above.
- 2 The tool processes your data instantly — right in your browser, with nothing sent to a server.
- 3 Copy the result with one click or continue editing your input.
About JSON to YAML Converter
Free online JSON to YAML converter. Transform JSON objects into clean, readable YAML with proper formatting. This tool runs entirely in your browser — your data is never sent to a server. Just paste your input, get instant results, and copy with one click. No sign-up or installation required.
JSON to YAML Converter specs
- Runtime
- 100% client-side (browser)
- Built on
- Native JavaScript JSON.parse / JSON.stringify (RFC 8259 compliant)
- Cost
- Free — no account, no rate limits, no usage caps
- Browser support
- Chrome 90+, Firefox 88+, Safari 14+, Edge 90+
- Part of
- 299 developer tools on BrowserUtils (100% client-side)
Questions
Why convert JSON to YAML?
YAML is often preferred for configuration files because it is more human-readable than JSON, supports comments, and uses less syntax characters.
Can YAML represent everything JSON can?
Yes, YAML is a superset of JSON. Every valid JSON document is also valid YAML, and YAML can represent all JSON data types including objects, arrays, strings, numbers, booleans, and null.
Does the converter preserve data types?
Yes, all JSON data types are correctly mapped to their YAML equivalents. Strings, numbers, booleans, null, arrays, and nested objects are all preserved.
JSON vs YAML: which should I use for config files?
YAML is generally better for config files because it supports comments, is easier to read, and requires less punctuation. JSON is better for data exchange between programs and APIs.
Does the JSON to YAML converter work offline?
Yes, the conversion runs in your browser using JavaScript. No internet connection is needed after the page loads.
How do I convert a package.json to YAML?
Paste the contents of your package.json file into the input field and the converter will produce the equivalent YAML output, which you can copy into a YAML file.
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