Home/TOML ↔ JSON Converter

TOML ↔ JSON Converter

Convert TOML config to JSON and back with live validation — perfect for Cargo, pyproject and Hugo files.

Runs in your browser
No upload on server
Free, forever

Enter value
Pick units
Copy result

Indent

TOML input

Load file

JSON output

{
  "title": "Bluebird",
  "server": {
    "port": 8080,
    "host": "localhost"
  },
  "features": [
    {
      "name": "private",
      "enabled": true
    },
    {
      "name": "free",
      "enabled": true
    }
  ]
}

How this works — and why it's private

Pick a direction — TOML to JSON or JSON to TOML.
Paste configuration or load a .toml / .json file from your device.
We validate as you type, then let you copy or download the result.

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