JSON Formatter & Validator
How to use JSON Formatter & Validator
Paste your JSON into the left panel. The tool will automatically format it with proper indentation. If your JSON contains errors, you'll see the exact line and position of the problem. Use the options to switch between 2-space, 4-space, or tab indentation. Click Copy to copy the formatted output or Download to save it as a .json file.
Features
- Pretty print with 2 spaces, 4 spaces, or tabs
- Real-time validation with error line numbers
- Minify option for compact output
- Copy to clipboard with one click
- Download formatted JSON as .json file
Frequently Asked Questions
What is JSON formatting?
JSON formatting (also called pretty printing) adds proper indentation and line breaks to compressed JSON data, making it human-readable. This tool formats JSON with your choice of 2 spaces, 4 spaces, or tabs.
How do I validate JSON?
Paste your JSON into the input area. If the JSON is invalid, the tool will show the exact error location with line and column number. Valid JSON will be formatted automatically.
Can I minify JSON with this tool?
Yes. Click the Minify button to remove all whitespace and line breaks from your JSON, producing the smallest possible output.