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Excel / CSV / JSON file converter

Convert uploaded .xlsx, .csv or .json files to .xlsx, .csv or .json (first sheet).

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Drop a file here or tap to browse
.xlsx .csv .json

Result

Run the tool to see results here.

About Excel / CSV / JSON file converter

Excel / CSV / JSON file converter is a free online data tool. Convert uploaded .xlsx, .csv or .json files to .xlsx, .csv or .json (first sheet).

Add a file (XLSX, CSV and JSON) and Excel / CSV / JSON file converter processes it on our servers, then gives you the result to download. Uploaded files are deleted automatically after processing and no account is needed.

How to use Excel / CSV / JSON file converter

  1. Add your file by dragging it onto the upload area or tapping to browse (XLSX, CSV and JSON supported).
  2. Adjust the options if you need to: to.
  3. Press Process and wait a moment.
  4. Download the result. If you added several files, download them one by one or all together as a ZIP.

Excel / CSV / JSON file converter FAQ

What does Excel / CSV / JSON file converter do?

Convert uploaded .xlsx, .csv or .json files to .xlsx, .csv or .json (first sheet).

Is Excel / CSV / JSON file converter free to use?

Yes. Excel / CSV / JSON file converter is free, with no sign-up or account required.

Is my data safe?

Uploaded files are deleted automatically after processing, and results are never stored. See our privacy policy for details.

Which file types does Excel / CSV / JSON file converter accept?

Excel / CSV / JSON file converter accepts XLSX, CSV and JSON files.

Can I process several files at once?

Yes. Add several files and turn on batch mode to process each one separately.

What options does Excel / CSV / JSON file converter have?

You can set: To.

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