Developer Tools

JSON to CSV Converter

A lightning-fast, entirely client-side JSON to CSV converter. Paste your JSON arrays or upload a file, and instantly get clean, properly escaped CSV data. Customize your delimiter and download the file for use in Microsoft Excel, Google Sheets, or LibreOffice Calc.

Input JSON

Output CSV

What is the JSON to CSV Converter?

The JSON to CSV Converter takes arrays of JSON objects (typically exported from APIs or databases) and flattens them into a tabular CSV format.

How to Use

  1. Paste your JSON data into the input box, or click "Upload File" to load a `.json` file from your device.
  2. Choose your preferred delimiter (Comma, Semicolon, Pipe, or Tab).
  3. Review the CSV preview and statistics (rows, columns, file size).
  4. Click "Download CSV" to save the file, or "Copy CSV" to copy the text to your clipboard.

Common Use Cases

  • Converting backend API responses into Excel reports for non-technical stakeholders.
  • Preparing JSON database exports for data analysis in tools like Tableau or Pandas.
  • Flattening complex JSON structures for easier bulk reading.

Key Benefits

  • No server uploads required — processing is instant and secure.
  • Automatically handles complex quoting and escaping of commas inside strings.
  • Provides helpful file statistics before you download.

Frequently Asked Questions

How do I open JSON files in Excel?

The easiest way is to convert your JSON data into a CSV (Comma Separated Values) file using this tool. Once converted, you can download the `.csv` file and open it directly in Microsoft Excel, Google Sheets, or any other spreadsheet software.

Is my JSON data secure?

Yes! This tool runs 100% client-side in your browser. Your data is never sent to any server, making it completely secure and private.

What happens if my JSON is invalid?

The tool has built-in error detection. It will highlight if your JSON is invalid (e.g., missing quotes or trailing commas) and show you exactly what went wrong.

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