JSON to YAML Converter
Convert between JSON and YAML instantly. Bidirectional conversion with syntax validation, formatting options, and a one-click swap — all running in your browser.
Open JSON ↔ YAML ConverterFeatures
Bidirectional
Convert JSON → YAML or YAML → JSON in one tool.
One-Click Swap
Swap input and output to reverse the conversion.
Real-Time
Conversion happens as you type — no button needed.
Private
All processing stays in your browser. Zero uploads.
Frequently Asked Questions
What is the difference between JSON and YAML?
JSON uses braces, brackets, and quotes with a strict syntax. YAML uses indentation for structure, supports comments, and is generally more human-readable. Both represent the same data — YAML is popular for config files (Docker, Kubernetes, GitHub Actions), while JSON dominates APIs.
Can I convert YAML to JSON too?
Yes! The tool is bidirectional. Toggle the direction to convert YAML → JSON or JSON → YAML. You can also use the Swap button to reverse input and output.
Does the converter handle complex YAML features?
The converter handles most common YAML features including nested objects, arrays, multiline strings (| and >), comments, booleans, numbers, and null values. Very advanced features like anchors/aliases are not yet supported.
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