Data
Turn your TSV files into CSV 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.
Like CSV: a single sheet and no formatting. As CSV any spreadsheet, database or app can import it.
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.
CSV stores a table as text: one row per line with columns separated by commas (or semicolons in some locales).
Strengths: Every spreadsheet, database and app can import it.
Limits: It has a single sheet, no formatting or formulas, and accented characters sometimes break.
No. The TSV to CSV 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.
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 TSV files as you like: several are converted at the same time, depending on your processor cores, and when they finish you can download each CSV or all of them in a ZIP.