JSON Formatter Online

Beautify, minify, validate, and format JSON data with our powerful online JSON formatter tool

JSON Formatter Tool

Maximum file size: 5MB
Enter a valid URL pointing to JSON data
Tree Visualizer

No JSON data to display. Please input JSON to view the tree structure.

Formatted JSON

Frequently Asked Questions

JSON Formatter is an online tool that helps you beautify, minify, validate, and format JSON data. It provides syntax highlighting, tree structure visualization, and various formatting options to make working with JSON data easier and more efficient.

You can use the JSON Formatter in three ways:
  1. Paste JSON: Directly paste your JSON code into the text area
  2. Upload File: Upload a .json or .txt file containing JSON data
  3. Load from URL: Enter a URL that returns JSON data
Once you input your JSON, you can:
  • Format/Beautify: Make your JSON readable with proper indentation
  • Minify: Remove all unnecessary whitespace to reduce file size
  • Validate: Check if your JSON syntax is correct
  • Copy: Easily copy the formatted JSON to clipboard

Our JSON Formatter offers comprehensive features:
  • JSON Beautification: Format messy JSON with proper indentation and structure
  • JSON Minification: Compress JSON by removing whitespace for optimal performance
  • Real-time Validation: Instant syntax checking with detailed error messages
  • Tree Visualization: Interactive tree view with collapsible nodes for easy navigation
  • Syntax Highlighting: Color-coded JSON elements for better readability
  • Multiple Input Methods: Paste, file upload, or URL loading
  • Copy to Clipboard: One-click copying of formatted JSON
  • Mobile Responsive: Works perfectly on all devices

Yes! All JSON processing happens entirely in your browser. Your data never gets sent to our servers, ensuring complete privacy and security for your sensitive information.

We support JSON files (.json) and text files (.txt) containing JSON data. The maximum file size is 5MB.

Powerful JSON Viewer and Validator Tool

Our free online JSON Viewer is the perfect tool for developers, designers, and data analysts who work with JSON data. Whether you're debugging API responses, analyzing configuration files, or learning JSON syntax, our tool provides an intuitive interface to work with JSON data.

Key Features:

  • Real-time Validation: Instantly validate JSON syntax and catch errors
  • Tree Visualization: Navigate complex JSON structures with collapsible tree view
  • Multiple Input Methods: Paste, upload, or load from URL
  • Formatting Options: Beautify and minify JSON with one click
  • Mobile Responsive: Works perfectly on desktop, tablet, and mobile devices

This JSON Viewer tool is completely free to use and requires no registration. It's perfect for quick JSON validation, formatting API responses, debugging configuration files, and learning JSON structure.