JSON Formatter & Validator

Format, validate and beautify your JSON data with syntax highlighting.

Input JSON

Indent Size:

JSON Formatter & Validator — Detailed Guide

JSON (JavaScript Object Notation) is a lightweight data interchange format widely used in web applications and APIs. Our JSON formatter helps you beautify messy JSON data with proper indentation, validate JSON structure for errors, and minify JSON for compact storage or transmission. Features include adjustable indent sizes, instant error detection with detailed messages, syntax highlighting for better readability, and one-click copy to clipboard.