JSON to CSV Converter

Convert JSON data to CSV format instantly. All processing happens in your browser. Your data never leaves your device.

Input JSON

Drag & drop your JSON file here

or click to browse

Output CSV

How to Use

  1. Upload a JSON file or paste JSON data into the input field
  2. Adjust conversion options (delimiter) if needed
  3. Preview the converted CSV in the output panel
  4. Download the CSV file or copy to clipboard

Frequently Asked Questions

How are nested objects handled?

Nested objects are flattened with dot notation (e.g., "user.name").

What about arrays in the JSON?

Arrays are converted to comma-separated values within the cell.

Is my data sent to a server?

No! All conversion happens locally in your browser. Your data never leaves your device.