JSON Viewer

View, format, and validate JSON data with a clean and user-friendly interface.

JSON Viewer & Formatter

Input JSON

Output / Preview

About JSON Viewer

The JSON Viewer & Formatter is an essential tool for developers and data analysts. It allows you to visualize JSON data in a readable tree structure, validate syntax, format (beautify) minified JSON, and minify it for production use.

Features

Format: Beautify messy JSON with proper indentation.
Validate: Instantly check for syntax errors.
Minify: Remove whitespace to save space.
Secure: All processing happens in your browser.

How to Use

Paste your JSON string into the left editor.
Click Format to prettier the code.
If there is an error, it will appear at the top.
Use the toolbar buttons to Copy or Download the result.