JSON Formatter & Validator

Format, validate, and minify your JSON code. Free tool for developers to organize messy JSON data.

How to use the JSON Formatter

Paste your JSON code into the text area.
Click 'Format (2 spaces)' or 'Format (4 spaces)' to indent the code.
Use 'Minify' to remove whitespace and reduce size.
Syntax errors will be displayed below the editor if present.

Features

Real-time syntax validation
Customizable indentation formatting
Minification for production
100% local processing (your data never leaves the browser)

Perguntas Frequentes

What is JSON?

JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write and easy for machines to parse and generate.

Why is my JSON showing an error?

Check if all keys are in double quotes, ensure there are no trailing commas in objects/arrays, and verify that quotes are straight, not curly.

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