JSON Formatter
Format, beautify, and validate JSON data with proper indentation.
JSON Input
Formatted Output
What is JSON Formatter?
JSON (JavaScript Object Notation) is a lightweight data format used for storing and exchanging data. This tool formats messy JSON into readable, properly indented code. It also validates JSON syntax and can minify JSON for production use.
How to Use This Tool
- Paste your JSON data in the input area
- Click 'Format' for readable indentation or 'Minify' for compact output
- Invalid JSON will show an error message with details
- Copy the formatted output for your project
Common Use Cases
- Formatting API responses for debugging
- Validating JSON configuration files
- Preparing JSON for documentation
- Minifying JSON for production
Frequently Asked Questions
What makes JSON invalid?
Common issues include trailing commas, single quotes instead of double quotes, unquoted keys, and missing brackets. JavaScript objects and JSON are similar but have different requirements.
What indentation does the formatter use?
The formatter uses 2-space indentation by default, which is the most common standard for JSON files. This makes the output compact yet readable.
Does formatting change the data?
No, formatting only changes whitespace and indentation. The actual data values and structure remain exactly the same.