Apex Tools

Text

JSON Formatter & Validator

Beautify, validate and minify JSON online, with syntax errors shown by line and column. Runs in your browser.

✓ Valid JSON
{
  "name": "Apex Tools",
  "tools": 24,
  "free": true,
  "languages": [
    "en",
    "es",
    "fr",
    "ar"
  ]
}

How it works

Enter the requested values in JSON Formatter & Validator, choose any relevant options, and the tool applies the standard formula immediately. Review the result and adjust an input to compare another scenario.

Worked example

Pasting {"a":1,} reports an error on line 1 near the trailing comma; removing it formats the object cleanly.

Frequently asked questions

Is JSON Formatter & Validator free?+

Yes. This tool is free to use without limits.

Are my entries saved?+

No. Calculations run in your browser and your entries are not sent or stored.

Can I use JSON Formatter & Validator on mobile?+

Yes. The controls are designed for phones, tablets, and desktop screens.

How accurate is the result?+

The calculation follows the method shown above. Check important financial or health decisions with a qualified professional.

Do I need an account?+

No account or sign-in is required.

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