ToolsKit
Developer Utilities
In-Browser Privacy

JSON Formatter & Beautifier

Beautify, format, and indent JSON strings with 2 spaces, 4 spaces, or tabs. Displays exact line and column errors on syntax failure.

Indentation:
0words
·
0characters
·
0without spaces
·
0lines
Ready
0words
·
0characters
·
0without spaces
·
0lines

How to Use JSON Formatter & Beautifier

1

Paste raw, unformatted, or minified JSON into the editor.

2

Select indentation preference (2 spaces, 4 spaces, or tabs).

3

Click "Format JSON" to beautify, or click "Minify" to compact.

Example & Output

Formats compact JSON with clean indentation.

Input Example
{"name":"TextKit","tags":["tools","text"],"active":true}
Resulting Output
{
  "name": "TextKit",
  "tags": [
    "tools",
    "text"
  ],
  "active": true
}

Privacy-First & In-Browser Guarantee

Your confidential text, passwords, and data are processed entirely inside your browser using client-side JavaScript. Nothing is sent to our servers or saved in a remote database.

No registration requiredNo rate limits100% Free Forever

Frequently Asked Questions

The tool shows the exact line and column where the error occurred, with helpful hints to fix missing quotes or commas.