XLSX, the Excel workbook
XLSX is the Microsoft Excel format: a workbook with one or more sheets, data types and formatting.
Strengths: It is what almost any office expects.
Limits: Other apps and databases usually ask for CSV to import data.
Data
Turn your XLSX files into TSV in seconds. Everything happens in your browser: nothing is uploaded to any server.
Drag your files here
Or paste them with Ctrl+V. They never leave your device.
Other apps and databases usually ask for CSV to import data. As TSV it pastes straight into a spreadsheet, with no trouble from commas.
XLSX is the Microsoft Excel format: a workbook with one or more sheets, data types and formatting.
Strengths: It is what almost any office expects.
Limits: Other apps and databases usually ask for CSV to import data.
TSV is like CSV but separates columns with tabs, so commas inside the text are not a problem.
Strengths: It pastes straight into a spreadsheet and is common for scientific data.
Limits: Like CSV: a single sheet and no formatting.
No. The XLSX to TSV conversion runs entirely in your browser, with code downloaded from this site and executed on your device. You can check it in the Network tab of the developer tools or by going offline after the page loads.
You get one TSV per sheet, named after the sheet, and download them together in a ZIP.
Up to 1 GB on desktop and about 200 MB on mobile, although a huge spreadsheet may take a few seconds.
Yes. Drop as many XLSX files as you like: several are converted at the same time, depending on your processor cores, and when they finish you can download each TSV or all of them in a ZIP.