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

Flatten nested objects Add Excel UTF-8 BOM Delimiter

Paste JSON to start.

No CSV yet Convert JSON to preview rows here.

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.