Feed it an array of JSON objects and it produces clean CSV, gathering the column headers automatically and escaping commas, quotes and newlines so nothing breaks in a spreadsheet. It runs in your browser, so the data never leaves your device.
JSON to CSV is a quick, no-nonsense developer utility that runs entirely client-side, so your code and data never leave your machine.
An array of objects works best; a single object becomes one row.
Values with commas, quotes or line breaks are wrapped in quotes and escaped.
No — conversion is entirely local.