JSON to CSV Converter

Turn a JSON array of objects into downloadable CSV without sending it to a server.

JSON input

Private browser processing: Your data is processed in your browser and is not uploaded to our server.

CSV output

Download CSV

About the JSON to CSV Converter

Flatten the top level of a JSON object array into a CSV header and rows for lightweight interchange.

How to use it

  1. Paste a valid JSON array of objects.
  2. Select Convert to CSV.
  3. Review, copy or download the result.

Column selection

The converter creates a union of top-level property names in first-seen order and leaves missing values blank.

Example

Two objects containing name and score properties produce a header row followed by two CSV rows.

MVP limits

The primary supported shape is an array of objects. Nested arrays and objects are preserved as JSON text rather than expanded into spreadsheet columns.