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YAML to JSON Converter Online

Paste a YAML document and get a compact or pretty-printed JSON version. Handy when an API or tool only accepts JSON but your source config is written in YAML.

Runs in your browser — your text is never uploaded or stored.

YAML input

JSON output

{
  "name": "Ada",
  "roles": [
    "admin",
    "editor"
  ],
  "active": true
}

How to Use

1.Paste your YAML document.
2.The JSON equivalent appears below.
3.Copy the JSON into your code or request body.

FAQ

Does it support multi-document YAML?

Only the first document is converted. Split multi-document files and convert each one separately.

Are comments preserved?

No. JSON has no comment syntax, so YAML comments are dropped during conversion.

Need more options?

JSON ↔ YAML ↔ TOML Converter

Free online JSON to YAML converter. Convert JSON, YAML and TOML config in any direction with instant validation — everything runs in your browser.

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