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JSON to CSV Converter

Convert JSON data to CSV format instantly. Supports nested objects with automatic flattening.

🔐 Your files never leave your device
Smart conversion: The tool handles arrays of objects, nested structures, and various JSON formats. Nested objects are automatically flattened with dot notation.
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Drag and drop your JSON file here

or click to browse

How It Works

1. Upload Your JSON File

Select a JSON file from your device. The tool supports arrays of objects, single objects, and nested structures.

2. Configure Options

Choose your delimiter, header preference, and whether to flatten nested objects. Nested objects use dot notation (e.g., address.city).

3. Download CSV File

Your CSV file is ready to download instantly. All processing happens in your browser.

Privacy Guarantee: This tool runs entirely in your browser. Your JSON files are never uploaded to any server, and we don't store or track any information about your files.