JSON Formatter & Validator

Format, beautify, and validate your JSON data. Syntax highlighting with instant error detection.

Paste JSON to validate

Input JSON

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Formatted Output

About JSON Formatter

Our JSON formatter tool helps you format, beautify, and validate JSON data instantly. Perfect for developers working with APIs, configuration files, or any JSON data.

Features

Real-time JSON validation with error detection
Syntax highlighting for better readability
Minify JSON to reduce file size
100% client-side - your data never leaves your browser