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RapideTools

YAML to JSON

Convert YAML to JSON.

Paste YAML to convert it to pretty-printed JSON. Invalid YAML shows a clear error. Parsing uses the js-yaml library, all locally in your browser.

Your input is processed locally in your browser — nothing is uploaded, stored or logged.

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How it works

  1. 1 Paste your YAML.
  2. 2 The JSON output appears live.
  3. 3 Copy or download the .json file.

Common use cases

  • Convert YAML config to JSON.
  • Feed YAML data to a JSON API.
  • Inspect YAML as JSON.
  • Migrate between formats.

Frequently asked questions

Is my input sent to a server?

No. Everything runs locally in your browser — your input is never uploaded, stored or logged.

What about invalid YAML?

A clear error message is shown and the output is cleared until the YAML is valid.

Is it really free?

Yes — free, with no signup and no limits.

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