JSON Viewer
View JSON data in a collapsible tree structure for easy navigation.
All processing happens in your browser. Your data never leaves your device.
How to Use
- 1Paste your JSON into the input field.
- 2Click "View JSON Tree" to render the tree.
- 3Use Expand All / Collapse All to navigate large structures.
What is JSON Viewer?
JSON Viewer displays JSON data as an interactive, collapsible tree. It makes it easy to explore deeply nested API responses, config files, and data structures. Supports all JSON types: objects, arrays, strings, numbers, booleans, and null.
Key Features
- Collapsible tree view for easy navigation
- Color-coded values by type (string, number, boolean, null)
- Expand All / Collapse All controls
- Handles deeply nested structures
- 100% client-side processing
JSON Viewer vs Other Tools
| Feature | JSON Viewer | Other Tools |
|---|---|---|
| Client-side processing | Yes | Varies |
| No signup required | Yes | Often required |
| Privacy-first (no data sent) | Yes | Rarely |
| Free & unlimited | Yes | Often limited |
| No ads interruption | Yes | Often no |
FAQ
What is JSON?
JSON (JavaScript Object Notation) is a lightweight data interchange format. It's easy for humans to read and write, and easy for machines to parse and generate. It's the most common format for web APIs.
Are JSON tools free?
Yes, all JSON tools are completely free. Your JSON data is processed locally and never sent to any server.
Can I validate JSON against a schema?
Yes, the JSON Schema Validator tool allows you to validate JSON data against a JSON Schema definition to ensure data structure compliance.