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JSON Formatter

Format, validate, and minify JSON online for free. Instantly catch syntax errors, apply clean indentation, and minify with one click — no sign-up needed.

●Valid JSON
105 chars
{
  "id": 1,
  "name": "CodingAnthem",
  "tags": [
    "fast",
    "free"
  ],
  "active": true,
  "meta": {
    "stars": 2400,
    "license": "MIT"
  }
}

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About JSON Formatter

Format, validate, and transform JSON instantly — no setup, no server. • Paste messy JSON to get it properly indented and readable • Syntax errors are shown in plain English so you know exactly what's wrong • Live Valid / Invalid badge updates as you type • Minify to strip whitespace before sending payloads to an API