JSON to CSV Converter

Convert JSON arrays to CSV format. Automatically flattens nested objects with dot notation, lets you select columns, and download as a .csv file.

Delimiter:

Flatten nested objects

JSON Input

About JSON to CSV Conversion

Nested objects are flattened using dot notation (e.g. address.city).
Arrays within objects are serialized as JSON strings in the CSV output.
Select or deselect columns after converting to customize your output.
Supports comma, tab, semicolon, and pipe delimiters.
Download the result as a .csv file ready for Excel, Google Sheets, or any spreadsheet app.
Everything runs in your browser — no data is sent over the network.