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Runs locally

YAML to JSON

Turn YAML into formatted JSON.

Ctrl+Enter runs. Ctrl+Shift+Backspace clears.

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Parses YAML locally. Custom tags are not executed.

About this tool

Turn a YAML config, an OpenAPI spec or a Kubernetes manifest into JSON for a script, an API call or a test. Paste the YAML and copy the formatted JSON.

How to use it

  1. 01

    Paste the YAML.

  2. 02

    Review the JSON output or the parser error.

  3. 03

    Copy the JSON.

FAQ

Frequently asked questions

Is it safe for untrusted YAML?

Yes. Custom tags are not executed; the document is only parsed.

What about YAML anchors and aliases?

They are resolved, so the JSON contains the repeated values in full.

Nearby instruments

JSON FormatterPretty-print JSON with a chosen indent.NextJSON to YAMLTurn a JSON document into YAML.NextJSON MinifierStrip insignificant JSON whitespace.JSON ValidatorTell whether a document is valid JSON.JSON Tree ViewerExpand objects and arrays and copy a path.JSON DiffStructural additions, removals and changes.JSON Path TesterQuery a document with JSONPath.JSON to TypeScriptInfer an interface from a JSON sample.