Compress Excel (XLSX)
Make Excel workbooks smaller while keeping data and formulas intact.
Drop your files here
or choose from your device. Processed right here in your browser — never uploaded.
A little guidance.
How to use Compress Excel (XLSX)
- Drop an Excel (.xlsx) workbook.
- Choose a compression level. Cells, formulas and formatting are never changed.
- Compress, check the new size, then download.
Formats and compatibility
Accepted input: .xlsx,.xlsm,.xltx. Check the file-specific validation in the workspace. See browser compatibility.
Limitations
Re-encodes embedded pictures, removes unused media and repacks the workbook at maximum compression. Cell data, formulas and formatting are untouched. Older .xls files must be saved as .xlsx first.
Questions, answered.
Is Compress Excel (XLSX) free?
Yes. Compress Excel (XLSX) is free to use with no sign-up, no watermark and no daily limit.
Are my files uploaded to a server?
No. Processing happens in your browser on your own device. Your files are not uploaded, which makes the tool suitable for confidential documents.
Which file formats are supported?
Compress Excel (XLSX) accepts XLSX, XLSM, XLTX files, up to 150 MB each.
Does it work on mobile phones?
Yes. It runs in any modern browser on Android, iPhone, Windows, Mac and Linux. Large files are faster on a computer.
What are the limitations?
Re-encodes embedded pictures, removes unused media and repacks the workbook at maximum compression. Cell data, formulas and formatting are untouched. Older .xls files must be saved as .xlsx first.