JSON Formatter Online

How to Use

1. 1

   Paste your JSON

   Copy and paste your JSON data into the input field, or type it directly.

2. 2

   Choose an action

   Click "Format / Beautify" to add indentation, "Minify" to compact it, or "Validate" to check for errors.

3. 3

   Copy the result

   Use the Copy button to copy the result to your clipboard instantly.

Features

• Format & beautify JSON with 2 or 4 space indentation
• Validate JSON and display detailed error messages
• Minify JSON to reduce file size
• Works entirely in your browser — 100% private
• No data sent to any server
• Free to use with no limits or sign-up
• Supports large JSON payloads
• Clean output ready to use in code

Frequently Asked Questions

QIs this JSON formatter free?

Yes, completely free with no sign-up, no limits, and no hidden fees.

QIs my JSON data secure?

Absolutely. All processing happens entirely in your browser using JavaScript. No data is ever transmitted to any server.

QWhat happens if my JSON has errors?

The tool detects JSON syntax errors and displays a clear error message showing exactly what is wrong, making it easy to fix.

QCan it handle large JSON files?

Yes. Since processing is done locally in your browser, it can handle large JSON files limited only by your browser's available memory.

QWhat is the difference between Format and Minify?

Format (Beautify) adds whitespace and indentation for readability. Minify removes all whitespace to create the smallest possible JSON string, ideal for APIs and storage.

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