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JSON Visual Builder
Build JSON structures visually with drag-and-drop. Create API payloads, config files, and test data without syntax errors.
Add to root:
Structure
1 nodes{ }{
+
}
JSON Output
Loading editor...
How to Use
- Click type buttons (Object, Array, String, Number, Boolean, Null) to add nodes to your JSON structure
- Click on a key or value to edit it inline - press Enter to confirm or Tab to move to the value
- Use the +/- icons on objects and arrays to expand, collapse, or add children
- Hover over any node to see action buttons for duplicate and delete
- The JSON output updates in real-time - copy it or download as a file
Features
- ✓Visual tree structure with expandable nodes
- ✓Inline key and value editing
- ✓Support for all JSON types
- ✓Import existing JSON for editing
- ✓Real-time JSON preview
- ✓Copy and download output
- ✓Auto-save to local storage
- ✓Shareable links