Your files stay on your device

# Open or make an Excel sheet

Open an Excel sheet and save it as CSV or JSON, or make a new sheet from CSV.

Drop an Excel workbook (.xlsx) here

or choose from your device. Up to 100 MB, and nothing is uploaded.
Choose file

Accepts XLSX
Input kindCSVJSONSheet name (optional)Build XLSXHow it worksFormulas show the results Excel saved; nothing is recalculated. Conversions stop at 20,000 rows. Styling, charts, and macros are not carried into CSV, JSON, or tables. Workbooks made here hold values only, with no styling or formulas. Old .xls files from before 2007 need saving as .xlsx in Excel first. Everything runs in your browser.Paste, drop, or type to begin. Everything stays on this device.

## More PDF & file tools

- [Word documents (DOCX)](/files/docx)
- [PowerPoint slides (PPTX)](/files/pptx)
- [CSV studio](/config/csv)
[All PDF & file tools](/files)

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Canonical HTML: https://nutter.tools/files/xlsx/
Markdown version: https://nutter.tools/files/xlsx/index.md
Plain-text version: https://nutter.tools/files/xlsx/index.txt
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