Overview
Format, validate, and minify JSON data. Copy-paste any JSON and get a formatted, syntax-highlighted result.
How to Use
Enter the required information below. Results update in real-time with details about your configuration.
Paste JSON above and click Format / Validate
Example Use Cases
- Debug API responses by formatting minified JSON into human-readable structure
- Validate JSON structure before using it in config files or CI/CD pipelines
- Minify JSON payloads to reduce bandwidth when sending data over the wire
- Compare differences between JSON objects by formatting them side by side
Common Issues
Trailing commas: JSON does not allow trailing commas in objects or arrays. Remove extra commas after the last element to avoid parse errors.
Unquoted keys: JSON requires all object keys to be wrapped in double quotes. Use the validator to find and fix unquoted or single-quoted keys.