onul.works

YAML to JSON

Convert YAML to JSON format online for configs, examples, and API data.

⌘ Runs in browser ◴ No data stored ⌁ Free
YAML input
JSON output

How to use

  1. 1 Paste the YAML or YML data you want to turn into JSON.
  2. 2 Click convert to generate the JSON result.
  3. 3 Review the JSON output, then copy it.

Common use cases

  • Convert YAML config to JSON
  • Inspect indented structures as JSON objects
  • Turn YML sample data into JSON samples

Frequently asked questions

What YAML can be converted to JSON?

Enter YAML or YML text that the browser-side YAML parser can read, and the tool converts it to indented JSON.

Can I copy the result directly?

Yes. Review the converted JSON in the output area and copy it to the clipboard.

What happens if the YAML syntax is invalid?

Conversion stops and the output area shows an invalid YAML error with the parser message.

Related workflow

YAML to JSONTurn YAML configuration into JSON that is easier to place in code or API examples. → CSV to JSONBring table-based sample data into the same JSON shape when it belongs with the config. → cURL ConverterContinue into fetch code when the JSON-shaped data needs to appear in a request example.