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JSON to CSV

Flatten a JSON array of objects into spreadsheet-ready CSV.

About JSON to CSV

JSON to CSV is a free online tool that flatten a JSON array of objects into spreadsheet-ready CSV.

Everything runs in your browser, so the input never leaves your device. There is no account, no daily quota and no watermark on the result.

How to use JSON to CSV

  1. 1

    Paste your input

    Everything runs locally in the browser; nothing is uploaded.

  2. 2

    Adjust options

    Formatting, encoding and validation options appear above the editor.

  3. 3

    Copy the output

    Copy to clipboard or download the result as a file.

Questions about JSON to CSV

Is JSON to CSV free to use?

Yes. JSON to CSV is free with no account required and no watermark on the output. There is no paid tier hiding the download button.

What input does JSON to CSV accept?

Paste or type your input directly into the page — JSON to CSV has no file upload step.

Are my files uploaded to a server?

No. This tool runs entirely in your browser, so the input never leaves your device.

What is the output of JSON to CSV?

The result is shown on the page and can be copied or downloaded as a text file.

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Last updated November 2026. Files are processed on FilePlume's own hardware and deleted within 60 minutes; nothing is used for training. Also called: json to csv. Part of the FilePlume dev collection.