JSON to CSV / Excel Converter | Free Online Developer Tool
Convert JSON to CSV or Excel (.xlsx) instantly in your browser. Flatten nested objects and export deeply nested config to key-value tables easily.
JSON to CSV / Excel
JSON Input
CSV Preview
Flattening Data for Spreadsheets
Export complex JSON arrays directly into Excel-compatible CSV files. Our converter intelligently flattens nested object structures into a 2D grid in seconds.
Performed entirely in-browser for 100% privacy.