Every sheet, clearly listed
Move between workbook tabs without opening desktop spreadsheet software.
Browser-local XLSX viewer
See what is inside your Excel workbook.
Open sheets, inspect column types, filter and sort rows, then export exactly the sheet you need. No account and no file upload.
Open an Excel workbook
Your workbook stays in this browser. Choose an .xlsx file up to 50 MB.
Useful inspection tools
Search each column, sort its values, and switch to a compact schema view.
Extract clean data
Download the visible selected sheet as CSV or JSON. Filters apply to exports.
Want to explore first? Try the real sample workbook.