JSON Linter
Validate, format, and analyze JSON data with detailed error reporting
Data Format
JSON
Validator
Privacy First: All processing happens in your browser. Your data never leaves your device.
JSON Input
0 characters | 0 lines
Formatting Options
Validation Results
Enter JSON to validate
Validation Errors
Structure
-
Size
-
Depth
-
Formatted JSON
Formatted JSON will appear here...
Schema Validation
JSON Path Explorer
How to Use
The JSON Linter helps you validate, format, and analyze JSON data:
🔍 Validation Features
- Syntax Validation: Detects JSON syntax errors
- Error Location: Shows line and column numbers for errors
- Structure Analysis: Analyzes JSON type, size, and depth
- Schema Validation: Validates against JSON Schema
🎨 Formatting Options
- Customizable indentation (2 spaces, 4 spaces, tabs)
- Sort object keys alphabetically
- Compact/minified output option
- Preserve or clean formatting
🛠️ Advanced Tools
- JSON Path Explorer: Query JSON data using JSONPath expressions
- File Upload: Process JSON files directly
- Download Results: Save formatted JSON to file
- Copy to Clipboard: Easy copying of formatted results
💡 Usage Tips
- • Use Ctrl+Enter to format JSON quickly
- • Upload large JSON files for better performance
- • Try JSONPath expressions like $.users[*].name
- • Enable schema validation for API response testing
Privacy: All JSON processing happens locally in your browser. Data is never transmitted to our servers.
Keyboard Shortcuts
Format JSON
Ctrl + Enter
Copy Formatted JSON
Ctrl + C
Paste JSON
Ctrl + V
Clear Input
Ctrl + R