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JsonViewer
Val Town is a collaborative website to build and scale JavaScript apps.
Deploy APIs, crons, & store data – all from the browser, and deployed in milliseconds.
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A clean, interactive JSON viewer with syntax highlighting and collapsible tree view.
- Interactive JSON Tree View: Collapsible nodes for easy navigation of complex JSON structures
- Syntax Highlighting: Color-coded JSON elements for better readability
- Multiple View Modes: Tree, code, text, and form views
- JSON Validation: Automatic validation and error reporting for invalid JSON
- Sample Data: Pre-loaded examples to demonstrate functionality
- Copy to Clipboard: One-click copying of formatted JSON
- Responsive Design: Works well on both desktop and mobile devices
- Enter or paste your JSON in the input textarea
- Click "Format & Validate" to process and display the JSON
- Explore the JSON structure in the viewer panel
- Use the mode selector to switch between different view types
- Click the "Copy JSON" button to copy the formatted JSON to clipboard
The application includes several sample JSON structures to demonstrate different complexity levels:
- Simple Object: Basic key-value pairs
- Nested Object: Multi-level nested objects
- Array Example: JSON with arrays of objects
- Complex Example: A comprehensive example with various data types and structures
- JSONEditor library for the interactive viewer
- Tailwind CSS for styling
- Vanilla JavaScript for interactivity