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Format JSON, test regex, decode JWTs, check DNS and generate AI coding prompts in one click. Fast, private and free.

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json-formatter

// paste messy JSON, get clean JSON
{
  "site": "codework.io",
  "free": true,
  "tools": 47,
  "signup": false
}
✓ valid JSON · 5 keys · 0 errors

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