Spreadsheets · Windows 10 and 11

Convert Excel to CSV on Windows, offline.

Importing data into a database, an online shop, a mailing tool or a script? Most of them want CSV. Crustify exports it without opening Excel and clicking Save As for each sheet.

  • Nothing is uploaded
  • Many files at once
  • No sign-up
  • Uses your Microsoft Excel
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How to convert Excel to CSV

  1. Select your Excel filesIn File Explorer or on the desktop. One file, or a hundred.
  2. Start dragging, then tap ShiftThe Convert wheel opens right under your cursor, with every format this file can become.
  3. Drop on CSVCrustify converts on your PC and saves the result next to the original. That's it.

First time? Download Crustify and install it. It waits in the tray, using about 3 MB of memory, until you drag a file.

Convert Excel

Convert to CSV

What you get

  • A workbook with one sheet becomes one CSV. A workbook with several becomes a folder with one CSV per sheet.
  • Formulas are saved as their results; formatting and charts aren't part of CSV.
  • Needs Microsoft Excel installed on your PC.
  • Each CSV is saved next to its original, with the same name.
  • Your original file is never changed. If the new name is taken, Crustify adds (1), (2) and so on.
  • Converts many files at once, each into its own new file.

About the formats

Excel Excel workbook (XLSX)

Excel's spreadsheet format, with sheets, formulas, formatting and charts. The standard for working with numbers, but heavy for simply sharing or importing data elsewhere.

CSV Comma-separated values

A table as plain text: one row per line, values separated by commas. Almost every database, bank, shop and analytics tool imports and exports CSV. It has one sheet and no formatting or formulas.

Questions

Excel to CSV, answered.

What happens to workbooks with many sheets?

You get a folder named after the workbook, with one CSV for each sheet. Excel's own Save As only exports the current sheet.

Can I get TSV instead?

Yes. Drop on TSV for tab-separated values, which handle commas inside values more simply.

Is Crustify free?

You can use everything free for 7 days, with no key or card. After that it's ₹49 once for a lifetime licence on up to 2 PCs. No subscription.

Convert Excel to CSV without uploading a thing.

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