ConfilesBrowser File Tools

Works in your browser

Excel to CSV

Convert Excel to CSV online by exporting the first worksheet from XLSX or XLS files in your browser.

To excel to csv, upload your file, let your browser process it locally, and download the result in a few clicks.

No signup needed
Local browser processing
Three simple steps

What happens to your file?

This tool processes files locally in your browser. Confiles does not upload or store your file, and you get the result right away without creating an account.

When to use it

Use this when spreadsheet data needs to be imported into databases, web apps, scripts, or systems that prefer CSV.

Limitations

CSV is plain text and does not keep formulas, styling, charts, or multiple workbook sheets in the same way Excel does.

Examples

  • Export a spreadsheet for an import tool.
  • Turn XLSX data into a script-friendly CSV.
  • Prepare table data for a database upload.

Supported formats

This tool works with XLSX, XLS.

Related searches

Useful guide pages and exact-intent searches connected to this tool.

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Core tools

If this page is not exactly the task you need, start with one of the core tools on the site.

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How to use

  1. 1.Upload your spreadsheet.
  2. 2.Wait while it converts.
  3. 3.Download the CSV file.

FAQ

Can I use this for school or office files?

Yes. This tool is built for everyday tasks like turning a spreadsheet into CSV without extra setup.

Does this change my original file?

No. The tool creates a new result for you to download, leaving your original file unchanged.

Do I need special software?

No. You can use the tool directly in your browser.