Compare JSON files online and visualize differences instantly — perfect for API testing, config validation, and data analysis
Compare JSON files online to visualize differences instantly — perfect for API testing, config validation, and data analysis
Start by pasting two JSON files into the side-by-side editors. Compare JSON files instantly with real-time syntax validation and error highlighting.
{
"version": "1.0",
"user": {
"id": 123,
"name": "John Doe",
"email": "[email protected]"
}
}Differences are automatically highlighted directly in the editors as you type. Color-coded backgrounds show additions (green), deletions (red), and modifications (yellow/blue), with precise character-level highlighting for exact changes.
{
"version": "2.0",
"user": {
"id": 123,
"name": "John Doe",
"email": "[email protected]",
"avatar": "https://example.com/avatar.jpg"
}
}Compare JSON files visually to understand changes at a glance. Each editor has independent controls for loading samples, formatting, and clearing content. Perfect for API testing, config validation, and data analysis.
// Differences shown with:
// 🟢 Green = Added lines
// 🔴 Red = Deleted lines
// 🟡 Yellow = Modified (left)
// 🔵 Blue = Modified (right)
// 🟠 Deep highlight = Changed charsCommon questions about comparing JSON files online
Format, validate and process JSON
Export to other popular formats
Convert to JSON from other types
Generate code from JSON data
Format and beautify other code formats