Code Utilities utility

JavaScript Object to JSON

Convert a JavaScript-style object literal into valid, formatted JSON.

● This tool runs entirely in your browser. Your input is never uploaded to our servers.

JavaScript object literal

Output

Your result will appear here…

How to use JavaScript Object to JSON

Paste an object literal using keys, strings, numbers, booleans, null, arrays, and nested objects.
Select Convert to produce valid JSON.
Review the result; functions and executable expressions are not supported.

Example

Input:

{ name: 'Ada', active: true, skills: ['design', 'logic'], }

Output:

{
  "name": "Ada",
  "active": true,
  "skills": [
    "design",
    "logic"
  ]
}

Use cases

Convert a static object example into JSON.
Prepare JSON fixtures from simple JavaScript literals.
Check which object values are JSON-compatible.

About this tool

Convert a JavaScript-style object literal into valid, formatted JSON. Processing happens locally in your browser, so your input is not sent to a server or included in analytics.

Frequently asked questions

Can it evaluate JavaScript code?

No. It parses a limited literal syntax and never executes input code.

Are unquoted keys and trailing commas allowed?

Yes. Identifier keys and trailing commas are supported.

Which values are supported?

Strings, numbers, booleans, null, arrays, and nested objects are supported; functions and variables are not.