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Spreadsheets

CSV and Excel Data Cleaner

Trim spaces and remove blank rows or columns.

Enable JavaScript to enter your values and use this tool. The guide below is available without JavaScript.

How to use the csv and excel data cleaner

  1. Choose a supported file or enter the data requested by the tool.
  2. Choose the available options and run the tool.
  3. Review the result and download the output in a supported format.

Worked example

A row containing “ Mug ” can become “Mug”, and a row whose cells are all empty can be removed.

Understanding the result

Choose trimming, blank-row removal and optional empty-column removal. A column is empty when all its data cells are blank, even if its heading contains text.

Frequently asked questions

Can it remove a column with a heading but no values?

Yes, when Remove empty columns is selected. The decision uses data cells, not the heading.

Is this spreadsheet data cleaner free to use?

Yes. This version of AllgoTool is free to use and does not require an account. The tool’s limits are explained above.

Supported inputs and limitations

CSV and .xlsx supported. First worksheet only; up to 1,000 data rows and 50 columns. Files stay in your browser. Exports contain text values; styling and formulas are not preserved.

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