YAML ↔ JSON Converter

Convert YAML to JSON and JSON to YAML locally in your browser, with parse error messages.

yamljsonconvert

YAML ↔ JSON Converter turns YAML into JSON and JSON into YAML in your browser, so you can move config between formats without installing anything. Parse errors are shown inline.

How to use

Paste or upload JSON into YAML ↔ JSON Converter.
Pick the format or validation option you need.
Copy the output or download the formatted file.

FAQ

Does it keep comments?

No. JSON has no comments, so they are dropped when converting from YAML.

Is my data uploaded?

No. Conversion runs entirely in your browser.

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