Convert to XLSX format online, for free.
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!
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).
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.
Want to convert large files without a queue or Ads?