JSON to CSV Converter

Paste JSON or upload a .json file, flatten nested data, preview the table, then copy or download a clean CSV file.

Browser-based No signup required Private conversion Instant CSV

Input

Paste JSON

Paste JSON to start.

Nested JSON Support Objects can be flattened into dot notation columns like address.city.
Spreadsheet Ready Download CSV files that open in Excel, Google Sheets, and Numbers.
Private by Design JSON is converted in your browser and is not uploaded to our server.

How to convert JSON to CSV

  1. 1
    Add your JSONUpload or paste a JSON array of objects.
  2. 2
    Convert to CSVThe data is flattened into rows and columns in your browser.
  3. 3
    Download the CSV fileSave a CSV ready for Excel, Sheets, or Numbers.

Why convert JSON to CSV here

  • Flattens JSON arrays into rows and columns
  • Opens in Excel and Google Sheets
  • Browser-based and private
  • No sign-up needed for everyday use

Developer Tools

Convert JSON to CSV

JSON is great for APIs but hard to read in a spreadsheet. This tool flattens your JSON array of objects into clean CSV rows and columns you can open directly in Excel, Google Sheets, or any data tool, which is perfect for turning an API response into a report.

Best results

  • Use an array of objects with consistent keys
  • Flatten nested data where possible
  • Keep field names simple

Common fixes

  • Nested objects? Flatten them first
  • Missing columns? Ensure consistent keys
  • Encoding issues? Use UTF-8

Private by design

Conversion runs in your browser, so your JSON never leaves your device.

Frequently asked questions

What JSON structure works best?

An array of objects with consistent keys maps cleanly to CSV rows and columns.

Can it handle nested JSON?

Deeply nested data converts best when flattened first.

Where can I open the CSV?

Excel, Google Sheets, Numbers, and any data tool.

Is my data uploaded?

No. Conversion runs locally in your browser.

Is it free?

Yes, free for everyday use.