JSON Viewer
View and explore JSON data with our free interactive tree viewer. Features collapsible nodes, syntax highlighting, and easy navigation. Perfect for understanding complex JSON structures.
View and explore JSON data with our free interactive tree viewer. Features collapsible nodes, syntax highlighting, and easy navigation. Perfect for understanding complex JSON structures.
All processing happens in your browser - no data is sent to any server. Format unlimited files with confidence, knowing your code remains private and secure.
Key Features
Interactive Tree View
Explore JSON data with collapsible nodes and intuitive navigation.
Syntax Highlighting
Different colors for strings, numbers, booleans, and null values.
Type Indicators
Clear visual indicators for arrays, objects, and primitive types.
Copy Support
Copy any value or subtree to clipboard with a single click.
Examples
Simple JSON Object:
Basic JSON object with various data types and an array.
Input:
{
"user": {
"name": "John Doe",
"age": 30,
"email": "john@example.com",
"isActive": true,
"tags": ["developer", "javascript"]
}
}Output:
Displayed as an interactive tree with collapsible nodes:
- user (object)
- name: "John Doe" (string)
- age: 30 (number)
- email: "john@example.com" (string)
- isActive: true (boolean)
- tags: (array)
- "developer" (string)
- "javascript" (string)Complex Nested Structure:
Complex JSON with nested objects, arrays, and various data types.
Input:
{
"store": {
"name": "My Online Store",
"location": {
"street": "123 Main St",
"city": "Tech City",
"coordinates": {
"lat": 40.7128,
"lng": -74.0060
}
},
"products": [
{
"id": "p1",
"name": "Laptop Pro",
"price": 999.99,
"specs": {
"cpu": "3.2GHz",
"ram": "16GB"
}
},
{
"id": "p2",
"name": "Mouse",
"price": 29.99,
"specs": {
"type": "wireless",
"dpi": 1600
}
}
],
"metadata": {
"lastUpdated": "2025-09-29T14:30:00Z",
"version": "2.1.0",
"debug": null
}
}
}Output:
Displayed as an interactive tree with collapsible nodes:
- store (object)
- name: "My Online Store" (string)
- location (object)
- street: "123 Main St" (string)
- city: "Tech City" (string)
- coordinates (object)
- lat: 40.7128 (number)
- lng: -74.0060 (number)
- products (array)
- [0] (object)
- id: "p1" (string)
- name: "Laptop Pro" (string)
- price: 999.99 (number)
- specs (object)
- cpu: "3.2GHz" (string)
- ram: "16GB" (string)
- [1] (object)
- id: "p2" (string)
- name: "Mouse" (string)
- price: 29.99 (number)
- specs (object)
- type: "wireless" (string)
- dpi: 1600 (number)
- metadata (object)
- lastUpdated: "2025-09-29T14:30:00Z" (string)
- version: "2.1.0" (string)
- debug: nullHow to Use
Paste JSON
Copy your JSON data and paste it into the input area, or use the Load Sample button to try with example data.
View Tree
Click View JSON to see your data in the interactive tree view.
Explore Data
Click the arrows to expand or collapse nodes and explore nested data.
Navigate Values
Browse through the tree structure to find and view specific values.
Frequently Asked Questions
What is the JSON Viewer?
The JSON Viewer is an interactive tool that displays JSON data in a collapsible tree structure, making it easy to explore and understand complex JSON objects. It features syntax highlighting, expandable nodes, and intuitive navigation.
Is my JSON data secure?
Yes! All processing happens directly in your browser. We never send your JSON data to any server or store it anywhere. Your data remains completely private and secure.
What features does the viewer support?
Our viewer supports collapsible tree nodes, syntax highlighting for different data types, easy navigation of nested structures, and visual indicators for arrays and objects. It can handle complex JSON with deep nesting.
Can I copy values from the tree view?
Yes! You can select and copy any values from the tree view. The viewer maintains the original formatting of your data, making it easy to copy specific values or entire objects.
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