Convert CSV to XLSX

Change CSV files to XLSX online

Drop CSV here
choose a file
Supports .csv files


Simple free online version

It has never been easier to convert your CSV files in XLSX documents, just upload and we do the rest.

Private service

You can be confident in our service as we use SSL connections and delete files one hour after conversions.

Available anywhere on any device

You can use all our conversion tools on Mac, Windows, Linux wherever you happen to be.

How to use this CSV to XLSX converter

  1. Drag and drop your CSV file into the upload box
  2. Review you have selected the correct file. Click remove if you need to choose another.
  3. Click convert. Your file will upload and conversion will start. Wait until complete.
  4. Your new file will appear below. Click the download button to save to your device.