JSON Formatter

Format, beautify, and validate JSON data instantly with our free online JSON formatter and validator. Perfect for developers debugging API responses, cleaning up minified JSON, or validating configuration files. Features syntax highlighting, error detection with line numbers, and customizable indentation. All processing happens locally in your browser for secure handling of sensitive data.

사용 방법

Paste your JSON data in the input area.
Click Format to beautify the JSON.
Copy the result or check for errors.

주요 기능

Auto-indent and formatting
JSON validation
Error location display
Minify function

자주 묻는 질문

Will it fix invalid JSON?

This tool validates and shows error locations but doesn't auto-fix invalid JSON.

What's the difference between JSON and regular text?

JSON is a structured data format using key-value pairs, widely used in web APIs and configuration files.

What is minify?

Minify removes unnecessary whitespace and line breaks to minimize file size, useful for network transmission.