Local JSON tool

Free Online JSON Beautifier, Formatter & Validator

Paste JSON below, then beautify it, minify it, or clear the editor. Everything stays in your browser.

What Is a JSON Beautifier?

A JSON Beautifier is an online tool that converts compact or unformatted JSON data into a clean, readable structure. It uses indentation and line breaks to make JSON easier to understand, review, and debug.

How to Use a JSON Beautifier Online

Step 1: Paste Your JSON

Paste your JSON data into the input editor.

Step 2: Beautify JSON

Click the Beautify JSON button to format your JSON with proper indentation.

Step 3: Validate JSON

Click Validate JSON to check whether your JSON contains syntax errors.

Step 4: Copy Your JSON

Click Copy JSON to copy the formatted JSON to your clipboard.