JSON to CSV Converter
Convert a JSON array of objects to CSV online for free. Handles nested keys, quotes and commas correctly. Browser-only, no upload.
Frequently asked questions
- Are my files uploaded to a server?
- No. This tool runs entirely in your browser using JavaScript — your files never leave your device.
- What JSON shape does it expect?
- An array of objects, e.g. [{"name":"Ada","age":36}]. Keys become CSV columns; missing keys become empty cells.