JSON Formatter
Formatted JSON will appear here...
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JSON Formatter Tool Guide
Tool Introduction
This is a free online JSON formatter tool that supports formatting compressed JSON strings into readable format, automatically validates JSON syntax, and provides code folding functionality for viewing large JSON data. All processing is done locally in your browser, protecting your privacy and security.
Usage Steps
- Paste or enter JSON string in the left input box
- The system will automatically validate and format the JSON
- The formatted JSON will appear on the right with syntax highlighting
- Click the arrow next to line numbers to fold/expand objects and arrays
- Use the copy button to quickly copy the formatted JSON
Usage Tips
1) Supports real-time formatting, automatically validates and formats as you type; 2) The right editor supports code folding for easy viewing of large JSON structures; 3) Formatted JSON uses 2-space indentation, following common standards; 4) All operations are performed locally without uploading any data to the server.
Frequently Asked Questions
Notes
- This tool processes everything locally in the browser and does not upload your JSON data to any server
- Formatted JSON uses 2-space indentation, following common programming standards
- If JSON format is invalid, an error message will be displayed, please check the input
- Supports copying formatted JSON for use elsewhere