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Code Generation

JavaScript Object to JSON Converter

Convert JavaScript object literals with unquoted keys, single quotes, and trailing commas into valid JSON.

Runs entirely in your browser — your data never leaves your device.

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How to use this tool

  1. 1Paste your JavaScript object literal into the editor.
  2. 2The tool normalizes it into strict, valid JSON.
  3. 3Copy the JSON output.

Frequently asked questions

What does it fix?
Unquoted keys, single quotes, trailing commas, and comments are all converted or removed to produce valid JSON.
Is it the same as the JSON Fixer?
It is focused on JavaScript object syntax specifically; the JSON Fixer handles a broader set of repair cases.
Is my data uploaded to a server?
No. Every tool on JSONPost runs entirely in your browser using JavaScript. Your JSON never leaves your device, so it is safe to use with private or sensitive data.

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