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JSON to CSV

Convert JSON arrays to CSV format in your browser. Automatically detects all object keys and uses them as column headers. Handles nested arrays and mixed-type values. Download as a .csv file or copy the output directly. No signup required.

Updated June 2026

  1. 1Upload your JSON file
  2. 2Conversion runs instantly
  3. 3Download your CSV file

How to use JSON to CSV

  1. 1

    Upload your JSON file

    Drag and drop your JSON file into the upload area, or click to browse and select it from your device. Nothing is sent to a server.

  2. 2

    Conversion runs instantly

    ToolBubble converts the file to CSV directly in your browser — no waiting in an upload queue.

  3. 3

    Download your CSV file

    Once processing finishes, the converted CSV file downloads automatically to your device.

Frequently asked questions

Everything you need to know about json to csv.

JSON arrays of objects where each object's keys become CSV column headers and each object becomes a row. For example: [{"name":"Alice"},{"name":"Bob"}] becomes a CSV with a 'name' column.

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