JSON Formatter & Validator

Paste JSON to check its syntax, make it easier to read or reduce its size. Copy or download the result when you are ready.

Your JSON is processed in your browser. Maximum input: 2 MiB.

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JSON Input

384 bytes / 2 MB max

Paste or type JSON below. Keys and strings must use double quotes; validation does not silently repair input.

Output & Validation

Valid JSON

Root Typeobject

Total Keys9

Max Nesting3 levels

Lines18

{
  "project": "Analaug",
  "version": "1.0.0",
  "tool": "json-formatter",
  "localFirst": true,
  "features": [
    "Format and prettify",
    "Minify and compact",
    "Local-first validation",
    "Structural diagnostics",
    "Copy and export"
  ],
  "runtime": {
    "privacy": "Zero server uploads",
    "engine": "Browser client V8",
    "safePayloadLimitBytes": 2097152
  }
}