XLSX Converter

Convert to XLSX format online, for free.

Or drop files here. Max file size 1GB. Sign Up for more

How to Convert to XLSX?

  1. Click the “Choose Files” button to select your files.
  2. Convert to XLSX by clicking the "Convert" button
  3. Once the conversion finishes, click the "Download XLSX" button to save the file.

Convert Any File

FreeConvert supports 500+ file formats. Simply upload your files and convert them to XLSX format. Alternatively, you can upload XLSX files and convert them to a different format. All from the convenience of one tool!

Best Quality

We use both open source and custom software to make sure our conversions are of the highest quality. In most cases, you can fine-tune conversion parameters using “Advanced Settings” (optional).

Free & Secure

Our XLSX converter is free and works on any web browser. We guarantee file security and privacy. Files are protected with 256-bit SSL encryption and automatically deleted after 2 hours.

Specific XLSX Converters

While this page can convert any Document to XLSX, you may wish to visit following converter pages that only support specific conversions.

Convert XLSX to other file types

FreeConvert.com can convert your XLSX files to these other formats: