.xls · .xlsx · .ods · .csv
Convert Spreadsheet
Convert between XLS, XLSX, ODS, CSV, and PDF.
Drag & drop files here, or click to choose
.xls,.xlsx,.ods,.csv · up to 10 files
Files are sent over encrypted HTTPS, processed on our servers, and permanently deleted within 2 hours.
About this tool
Convert Spreadsheet moves data between XLS, XLSX, ODS, CSV, and PDF — switch a spreadsheet to CSV for import into another system, to PDF for sharing, or between Excel and OpenDocument formats.
How it works
- Choose your .xls/.xlsx/.ods/.csv file(s)
- Pick your options
- Download the result
Frequently asked questions
Which spreadsheet formats can I convert?
XLS, XLSX, ODS, CSV, and PDF, in either direction where it applies.
How do I turn a spreadsheet into CSV?
Upload the file, choose CSV as the output, and download a plain comma-separated file ready to import elsewhere.
Will formulas be kept?
Cell values are preserved; CSV keeps values only, while XLSX/ODS retain more structure.
Is it free and private?
Yes — free, and files are deleted within 2 hours.