JSON Viewer
Paste JSON below to view, format, and validate your data in a structured tree or text view.
Input
Output
Paste JSON in the input area and click "Format JSON" to see the structured output here.
What does this tool do?
This tool allows you to paste and instantly visualize JSON data in a readable format. It formats, minifies, validates, and displays JSON structures using tree or raw views — ideal for developers, analysts, and API testers.
Key Features
- Real-time JSON validation and formatting
- Tree and raw view modes
- Copy & clear functionality
- Minify / Beautify options
- Mobile-friendly, lightweight design
How to use?
- Paste your JSON data into the input box
- Click Format JSON to view it in tree or raw format
- Use other buttons to copy, minify, or reset the input
Creative Use Cases:
- For frontend/backend developers
- Debugging API responses
- JSON data validation before saving
- Teaching or learning JSON structures
Tool Description
"JSON Viewer is a free online tool that helps you format, validate, and visualize JSON data in tree or raw view. Perfect for developers, testers, and anyone working with structured data."
FAQs
JSON (JavaScript Object Notation) is a lightweight data format that's easy for humans to read and write. It's widely used for data exchange between servers and web applications.
Currently, this tool supports pasting JSON text directly. You can copy the contents of your JSON file and paste it into the input area.
Yes! The tool automatically validates your JSON and displays clear error messages if the format is invalid, helping you identify and fix syntax issues.
No, all processing happens locally in your browser. Your JSON data is never sent to any server or stored anywhere - it's completely private and secure.
Absolutely! The tool is fully responsive and works perfectly on mobile devices, tablets, and desktops with an optimized touch-friendly interface.
The tool will display a clear error message explaining what's wrong with your JSON syntax, including the line number and type of error to help you fix it quickly.