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Free JSON to CSV Converter

Paste a JSON array of objects and convert it instantly into downloadable CSV.

About This Tool

Free JSON to CSV converter online — paste a JSON array of objects and instantly get a properly formatted CSV file with a header row generated from the object keys. Useful for exporting API responses into a spreadsheet, preparing data for Excel or Google Sheets, or converting a JSON dataset for tools that only accept CSV. Automatically handles values containing commas or quotes by quoting fields correctly. Runs entirely in your browser — nothing is uploaded to a server.

How to Use

  1. 1

    Paste your JSON

    Paste a JSON array of objects into the input box.

  2. 2

    Convert

    Click Convert to generate CSV with a header row from the object keys.

  3. 3

    Copy or download

    Copy the CSV output or download it as a .csv file.

Frequently Asked Questions

What JSON format is expected?+
An array of flat objects works best, e.g. [{"name":"Alice","age":30}]. The keys of the first object become the CSV header row.
What happens if objects have different keys?+
The tool uses the union of all keys found across objects as the header, leaving a blank cell for any object missing that key.
Can I download the result as a file?+
Yes — use the Download button to save the output directly as a .csv file you can open in Excel or Google Sheets.

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