JSON Editor Pro
Edit, format, validate, and visualize JSON in real-time. 100% client-side processing.
📝 Real-time editing
✓ Syntax validation
🔍 Tree view
🎨 Format & minify
📋 Copy to clipboard
JSON Editor
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Tree View / Preview
Enter valid JSON to see tree view
Quick Examples
👤 User Profile
Simple user object with name, age, email
📦 Products Array
List of products with prices
⚙️ App Config
Application configuration settings
🌳 Nested Object
Complex nested JSON structure
🌐 API Response
Typical REST API response format
📄 Empty Object
Start from scratch
Frequently Asked Questions
🔒 Is my data private?
100% client-side. Your JSON never leaves your browser. No server uploads.
📏 What's the size limit?
Limited only by your browser's memory. Handles files up to 100MB+ smoothly.
🆓 Is it really free?
Yes! Completely free forever. No registration, no hidden costs.
🎨 Can I copy formatted JSON?
Yes! Use the Copy button to copy formatted JSON to clipboard.