Developer Utilities

JSON Formatter & Validator

Format, validate, inspect, and minify JSON with a clean workspace designed for everyday development. Your data stays in your browser.

Indent

Input JSON

194 B

11 lines194 characters

Output

Valid JSONFormatted

{
  "name": "Swift Morph",
  "version": "1.0.0",
  "active": true,
  "features": [
    "Format",
    "Validate",
    "Minify"
  ],
  "settings": {
    "theme": "light",
    "indent": 2
  },
  "metadata": null
}

15 output lines210 B

JSON Insights

Calculated locally

Nodes

Objects

Arrays

Keys

Strings

Numbers

Booleans

Strict validation

Uses the browser's native JSON parser to check syntax before producing output.

Tree inspection

Explore nested objects and arrays by expanding or collapsing their branches.

Privacy first

Formatting and validation run in your browser. The JSON content is not uploaded by this tool.

How to use the JSON Formatter

Paste your JSON into the input editor.
Choose Pretty for readable formatting or Minify for compact output.
Fix any validation errors shown by the parser.
Switch to Tree to inspect nested data, or copy and export the result.

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