JSON Formatter & Validator — Format & Validate JSON Online
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About This Tool
Transform, format, beautify, and validate JSON code. If your JSON is invalid, our validator provides clear, line-by-line syntax error alerts indicating exactly where the format issues reside. Clean up ugly or minified JSON, compact it for network transmission, and inspect essential data statistics in real-time.
How to Use
- Paste or write your raw, unformatted, or minified JSON into the Input area.
- Choose your preferred indentation size (2 spaces, 4 spaces, or Tabs).
- Review the validation banner: see details of parsing errors if your JSON is invalid.
- Click "Format JSON" to expand it with pretty spacing, or "Minify JSON" to compress it.
- Copy your formatted output instantly using the one-click Copy button.