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JSON to YAML Converter

Convert JSON data into YAML format directly in your browser.
JSON Input
YAML Output

Runs entirely in your browser — your data is never uploaded to a server.

Frequently Asked Questions

Yes — choose between 2-space and 4-space indentation for the formatted JSON output.

Yes — nested structures are recursively converted to properly indented YAML, including arrays of objects.

Yes — formatting and validation happen entirely in your browser using JavaScript's native JSON parser; nothing is sent to a server, so sensitive data never leaves your device.

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