JSON to CSV Converter

Convert JSON into CSV format directly in your browser for spreadsheet imports, reporting exports, analytics workflows, and quick data cleanup. This tool is useful when you need to flatten structured JSON into rows and columns for Excel, Google Sheets, BI tools, or CSV-based systems. ToolMill runs locally for privacy, handles common export scenarios quickly, and works offline after installation.

Data

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Examples

Simple object array to CSV

Input

[{"id":1,"name":"Alice","active":true},{"id":2,"name":"Bob","active":false}]

Output

id,name,active
1,Alice,true
2,Bob,false

Nested JSON to flattened CSV

Input

[{"id":1,"user":{"name":"Alice","role":"admin"}},{"id":2,"user":{"name":"Bob","role":"editor"}}]

Output

id,user.name,user.role
1,Alice,admin
2,Bob,editor

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