Open an Excel or LibreOffice workbook without the software

The workbook shows up here, sheet by sheet.

zero upload

Drop your .xlsx or .ods here

or click to browse

.xlsx, .xlsm and .ods files · no size limit

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How it works

An .xlsx file is an archive containing XML. The tool opens it, reads the list of sheets, the table of strings and the number formats, then rebuilds each sheet cell by cell.

Formula results are shown, because Excel saves them in the file. Dates become dates again, percentages become percentages, and merged cells are respected.

A LibreOffice .ods is built the same way, an archive and XML, with a different vocabulary. It even has an advantage: each cell already carries its displayed text, formatted by the spreadsheet. .ots templates open too.

What the display carries over and what it leaves out

Carried over: all the sheets in the workbook, values, formula results, dates, percentages, large numbers, merged cells and column widths.

Left out: the formulas themselves, of which only the result is shown, as well as colors, borders, conditional formatting, charts, pivot tables and macros. It’s a faithful reading of the data, not a reproduction of the formatting.

Getting the data out

The “Sheet as .csv” button exports the sheet shown to a text file every spreadsheet app can open, with a semicolon separator and accents preserved. It’s the simplest way to take the data elsewhere, into a free spreadsheet app or another tool.

Frequently asked questions

Is my workbook sent anywhere? No. You can check for yourself in thirty seconds: here is how.

Can I edit the workbook? No, this tool is for reading. Export the sheet as .csv to work on it elsewhere.

What about very large workbooks? The display stops at 2,000 rows and 120 columns per sheet; beyond that the browser couldn’t keep up. The tool tells you when it cut something off.

What about LibreOffice .ods files? Yes, with the same sheets, the same values and the same .csv export.

What about old .xls files? No. The pre-2007 .xls is a closed binary format, unrelated to .xlsx or .ods. It has to be converted in software that can open it.

A password-protected workbook? It can’t be opened; its content is encrypted. The tool tells you so.