📋 JSON Formatter
Online JSON beautifier, minifier and validator with syntax highlighting
🔒 JSON processing is done entirely in your local browser, not uploaded to server
Output Result
📚 User Guide
Features
- Beautify: Format compressed JSON into readable indented format
- Minify: Remove all spaces and newlines to minimize JSON size
- Validate: Check if JSON syntax is correct
- Syntax Highlighting: Use different colors to distinguish JSON elements
Use Cases
- View API response data
- Edit configuration files
- Debug JSON data
- Data format conversion
Shortcuts
Ctrl/Cmd + Enter: Format JSONCtrl/Cmd + K: Clear all content
Common Errors
- Missing comma or bracket
- Key names not using double quotes
- Using single quotes instead of double quotes
- Illegal characters in numeric values
- Trailing comma at the end