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All Tools›Developer›JSON Formatter & Validator

JSON Formatter & Validator

Format, validate, diff, and convert JSON

DeveloperFREEYour data never leaves your browser
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{
  "name": "WOWHOW",
  "type": "digital marketplace",
  "products": 150,
  "categories": [
    "AI Prompts",
    "Templates",
    "Tools"
  ],
  "active": true,
  "metadata": null
}

How to Use

1

Paste your JSON into the input panel

2

Choose a mode — Format, Validate, Diff, or Convert

3

Formatted output appears instantly with syntax highlighting

4

Copy the result or download as a file

Frequently Asked Questions

Yes, it handles JSON files up to several MB efficiently. Processing happens entirely in your browser.

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