Formatting Rules
- 2 or 4 space indentation (configurable)
- Proper line breaks for objects and arrays
- Colon spacing consistency
- Automatic error detection and correction
- Preserves original JSON structure
JSON Formatter
JSON Input 0 characters
Formatted Result
Formatted JSON will appear here...
Common Formatting Issues
| Error | Example | Fix |
|---|---|---|
| Missing quotes | { key: "value" } | { "key": "value" } |
| Inconsistent indentation | Mixed tabs/spaces | Choose either tabs or spaces |
| Unclosed brackets | {"a": [1, 2 | {"a": [1, 2]} |
Pro Tips
- Use the Format button to automatically fix indentation
- Click Sample to see properly formatted JSON
- Minify before deploying to production
- Copy/Paste your JSON to validate before formatting