JSON to CSV Converter

Convert JSON arrays of objects to CSV format. Handles special characters, nested data, and provides download options.

Why use this tool?

Converting JSON to CSV is a common task for data analysis, importing into spreadsheets, or migrating between systems. This tool makes the conversion quick and accurate.

  • Instant conversion — Get CSV output immediately from valid JSON.
  • Handles special characters — Properly escapes commas, quotes, and newlines in CSV.
  • Nested object support — Optionally flatten nested JSON structures.
  • Download option — Save the CSV file directly to your computer.
  • Privacy-focused — All conversions happen in your browser. No data is stored or transmitted.

How to use

  1. Paste your JSON array into the input field.
  2. Choose your options (include headers, flatten nested objects).
  3. Click Convert to CSV to generate the CSV output.
  4. Use Copy CSV to copy the result, or Download CSV to save as a file.

Frequently Asked Questions

Yes, the MushTools JSON to CSV Converter is completely free with no sign-up required. All conversions happen in your browser.

The tool supports arrays of objects with simple values (strings, numbers, booleans). Nested objects and arrays are flattened or stringified.

No. Everything runs client-side in your browser. Your JSON data never leaves your device.