Convert CSV to XLSX

Upload your CSV file (Comma-separated values) and get it back as XLSX (Microsoft Excel spreadsheet) in seconds.

How to convert CSV to XLSX

  1. Choose your CSV file, or drop it on this page.
  2. Check that XLSX is selected as the output format.
  3. Click Convert, then download your XLSX file.

Questions and answers

Is it free to convert CSV to XLSX?
Yes. You can convert up to 5 files a day for free, without an account.
Are my files safe?
Your upload is deleted as soon as the conversion finishes, and the result 15 minutes later. Nobody looks at your files.
How big can my file be?
Up to 50 MB per file on the free plan.

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