TSV to XLSX

Convert TSV data into an Excel .xlsx workbook, instantly in your browser.

How to use TSV to XLSX

  1. Paste your TSV data or load a file.
  2. Click Convert to XLSX.
  3. Your .xlsx file downloads automatically.

Build Excel files from TSV

This tool turns tab-separated values into a real .xlsx workbook using SheetJS, all locally — your data is never uploaded.

Does it create a real .xlsx file?
Yes, a standard Excel workbook that opens in Excel, Google Sheets and LibreOffice.
Are my files uploaded?
No. Everything is processed locally in your browser, so your files never leave your device.

Related tools