JSON Formatter & Beautifier
Format, beautify and validate JSON data with syntax highlighting.
How to Use JSON Formatter
- 1
Paste your JSON data into the input area.
- 2
Click "Format JSON" to beautify with proper indentation.
- 3
The tool automatically validates and highlights errors.
- 4
Copy the formatted output or download it.
Frequently Asked Questions
What is JSON formatting?▾
JSON formatting adds proper indentation and line breaks, making JSON data human-readable.
Does it validate JSON?▾
Yes — the formatter highlights syntax errors and shows descriptive messages.
Is my data secure?▾
All processing happens in your browser. No data is sent to any server.
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