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Paste raw JSON code into the editor, or type/paste any JSON text
Click "Format" to beautify with proper indentation, or "Minify" to compress
Instant validation shows errors with line numbers for quick fixing
Copy the formatted result or download as a .json file
Our free JSON formatter online tool beautifies, validates, and minifies JSON data directly in your browser. Paste any JSON — whether it's from an API response, a config file, or raw data — and get instant formatting with proper indentation and syntax highlighting.
The online JSON validator catches syntax errors and shows you exactly where they occur. Use the JSON minifier to compress data for production environments. All processing happens locally — no JSON is ever sent to a server, making it safe for sensitive data.