Clean CSV

Trim the mess from your spreadsheet.

Choose files

Drop your files here.

Drag files here, or choose them from your device.

CSV · 50 MB total

Your files stay yours.

A little guidance

How to use this tool

  1. Choose CSV from your device. Keep the total below 50 MB.
  2. Review your files and adjust the settings.
  3. Select “Clean CSV” and download the finished result.

Formats and limitations

Trims surrounding whitespace and removes empty rows. Keeps the first row as a header. UTF-8 CSV only; formula-like values are escaped for safer spreadsheet use.

Your originals are unchanged. Results are removed from this page when you leave or reload it.

Questions about this tool

Which files can I use?

CSV. Trims surrounding whitespace and removes empty rows. Keeps the first row as a header. UTF-8 CSV only; formula-like values are escaped for safer spreadsheet use.

Are my files uploaded?

Files are processed on your device. Their contents are not uploaded to a processing server.

Is this tool free?

Yes. This tool is free to use within the limits shown on this page.