{ } JSON Formatter & Validator

Paste your JSON to beautify, validate, or minify it. Syntax errors are highlighted instantly. All processing is in your browser.

Input JSON

Output

JSON Formatter, Validator & Minifier

JSON (JavaScript Object Notation) is the most widely used data interchange format in modern web development. This tool helps you work with JSON more effectively.

Features

Prettify — Add indentation to make JSON human-readable.
Minify — Remove whitespace to reduce file size for production.
Validate — Instantly shows syntax errors with position info.
Syntax highlighting — Keys, strings, numbers, and booleans are color-coded.

Common JSON Use Cases

APIs, configuration files, data storage, web services, and JavaScript applications all use JSON. Formatting your JSON makes debugging much easier.