~/dev-multi-tool > json-formatter
한국어 GitHub

JSON Formatter

input — json-formatter
$
Ctrl+Enter to format
output — json-formatter
// output will appear here

## What is JSON Formatter?

JSON Formatter is a free online tool that formats, validates, and beautifies your JSON data. Paste your minified or messy JSON and instantly get a clean, indented, human-readable output.

## How to use

  1. Paste or type your JSON in the input panel
  2. The output updates automatically in real-time
  3. Click "Format" to pretty-print, or "Minify" to compress
  4. Click "Copy" to copy the result to clipboard

## FAQ

Is my data safe?

Yes. All processing happens entirely in your browser. No data is sent to any server.

What is the maximum JSON size?

There is no hard limit. Performance depends on your browser, but most modern browsers handle JSON files up to several megabytes without issues.

Can I use keyboard shortcuts?

Yes! Press Ctrl+Enter to format, Ctrl+K to search for other tools.