How to convert JSON to CSV offline?

Simply paste your JSON data or upload a JSON file. Our tool automatically converts it to CSV format entirely in your browser without uploading data anywhere.

What JSON formats are supported?

We support standard JSON objects and arrays. Nested objects are flattened for CSV compatibility with dot notation.

Can I import the CSV into Excel?

Yes! The generated CSV uses standard formatting that's fully compatible with Excel, Google Sheets, and other spreadsheet applications.

JSON to CSV Offline Converter

Convert JSON data to CSV format completely offline in your browser

100% Offline No Upload Free

Input JSON

Drop your JSON file here

or click to select a JSON file

Or paste JSON data

CSV Output

Why Use Our JSON to CSV Converter?

100% Private

All processing happens locally. Your data never leaves your device.

Excel Compatible

Generate CSV files that work perfectly with Excel and Google Sheets.

Smart Conversion

Handles nested objects and arrays with intelligent flattening.