How do I convert XLS files?

Choose your XLS files or drop them on this page, pick a format (XLSX, CSV, JSON, TSV and ODS), then select Convert and save the results.

Is it safe to convert XLS files here?

Yes. Decant converts XLS files in your browser, so they’re never uploaded, stored or logged.

Yes. Add as many as you like and they convert together. Save each result on its own, or all of them as one ZIP.

.xls.xlsx

Convert XLS files to XLSX, CSV, JSON and more in your browser.

Drop files here

or paste them in. Whole folders work too.

XLS is the Excel 97–2003 workbook format, still produced by some older systems.

How do I convert XLS files?: Choose your XLS files or drop them on this page, pick a format (XLSX, CSV, JSON, TSV and ODS), then select Convert and save the results.
Is it safe to convert XLS files here?: Yes. Decant converts XLS files in your browser, so they’re never uploaded, stored or logged.
Can I convert many XLS files at once?: Yes. Add as many as you like and they convert together. Save each result on its own, or all of them as one ZIP.