Convert Excel binary workbook files for free. Choose from 14 output formats, inspect file details and download your results. No account needed.
An Excel workbook with binary worksheet records inside a ZIP package. XLSB is useful for exchanging stored spreadsheet data with Excel.
Values are converted without running macros or recalculating formulas. Charts, formatting, and macros are not preserved.
XLSB file format guideOpen a conversion below or choose the output above. Add up to 100 files and download results separately or in a ZIP.
Choose a sheet for CSV, TSV, JSON, HTML, DBF, DIF, SYLK, or WK1 output. Workbook formats export stored cell values. Formulas are not recalculated; macros, charts, and original styling are not preserved.
Processing uses your device when possible and our servers when required. Browser files are limited to 256 MB each; server conversions to 64 MB; browser spreadsheets to 32 MB. Previews show supported content and do not guarantee identical rendering in every application.
