JSON Formatter
Format, beautify, and minify JSON data instantly in your browser.
Indent:
How to use
- 1
Paste your JSON
Paste or type your JSON data into the input panel on the left side.
- 2
Choose your indent style
Select 2 spaces, 4 spaces, or tab indentation using the buttons above the panels.
- 3
Format or minify
Click Format to beautify your JSON, or Minify to compress it into a single line.
- 4
Copy the result
Click Copy to copy the formatted or minified output to your clipboard.
Frequently asked questions
Is my data sent to a server?
No. All formatting and validation happens in your browser using native JSON.parse and JSON.stringify. Your data never leaves your device.
What happens if my JSON is invalid?
The tool displays an error message with position information to help you find and fix the issue in your input.
Can I minify JSON as well as format it?
Yes. Use the Format button to beautify JSON with indentation, or the Minify button to remove all whitespace and produce compact output.
Format and beautify messy JSON with configurable indentation, or minify
it for production use. All processing happens entirely in your browser
with no data sent to any server. Supports 2-space, 4-space, and tab
indentation. Invalid JSON is caught with clear error messages including
position information to help you locate and fix issues quickly.