Dev Utility

JSON Formatter & Validator

Pretty-print, minify, and validate JSON in your browser. Nothing leaves your device.

Tool

LIVE

Input JSON

Output

Sample output

DEMO

{
  "name": "Founder Money",
  "plan": "pro",
  "price": 14.99,
  "features": [
    "unlimited tools",
    "priority support",
    null
  ],
  "meta": {
    "created": "2026-06-24"
  }
}

Paste any JSON in the tool to see it formatted live. Sample shown for reference.

How to use

Enter or paste your input in the box on the left.
The result appears instantly on the right - click the button if there is one, otherwise it updates automatically as you type.
Copy the result or keep editing. Everything runs locally in your browser - nothing is uploaded.

What is this tool?

Pretty-print, minify, and validate JSON in your browser. Nothing leaves your device.

JSON Formatter & Validator

Tool

How to use

What is this tool?

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