TSV to XLSX Converter
Turn tab-separated values into downloadable Excel spreadsheets in your browser.
Turn TSV into Excel XLSX
Spreadsheet tools and CLI exports often produce tab-separated text. Load that TSV here to build a real
.xlsx workbook with SheetJS, entirely in the browser.
Related: YAML to Excel Converter, TSV to CSV Converter, and Excel to JSON Converter.
Frequently Asked Questions
Will Excel open the downloaded file?
Yes. The download uses the standard XLSX format supported by Microsoft Excel, LibreOffice Calc, and Google Sheets upload.
How is the worksheet named?
Set the worksheet name before downloading. Names are trimmed to Excel limits and invalid characters are removed.
Is the first row treated as a header?
The header row is still written to the sheet when enabled. The row counter shows data rows only for quick sanity checks.
Is my TSV uploaded to a server?
No. Workbook creation runs locally in your browser.
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