JSON Formatter

Instantly format, validate, and minify your JSON data with industry standards. Free, secure, and 100% client-side.

JSON Input

Indent Type

Indent Size

Sort Alphabetically

Reorder keys in A-Z order

Output Result

Results will appear here...

What is a JSON Formatter?

A JSON Formatter is an essential developer tool that transforms compact, raw JSON (JavaScript Object Notation) data into a readable, structured format with proper indentation and nesting.

JSON is widely used in API integrations and modern web applications. This tool helps you instantly identify syntax errors, validate structure, and debug data relationships efficiently.

Key Features

Live Validation

Automatic syntax checking as you type.

Custom Spacing

Adjust indentation (2, 4, or 8 spaces).

Auto-Sort Keys

Alphabetically sort JSON keys.

One-Click Copy

Instantly copy result to clipboard.