Developer Tools
YAML ↔ JSON Converter — Free, Instant, No Upload
Convert between YAML and JSON instantly. Paste your YAML to get clean JSON, or paste JSON to get readable YAML. Supports nested objects, arrays, and custom indentation. Everything runs in your browser — nothing is sent to a server.
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Frequently Asked Questions
- Can it handle multi-document YAML?
- This tool handles single-document YAML. Multi-document YAML (separated by ---) will convert only the first document.
- Is anything sent to a server?
- No. Conversion runs entirely in your browser using the js-yaml library.
- What YAML features are supported?
- All standard YAML 1.2 features: strings, numbers, booleans, null, arrays, nested objects, and quoted strings.