CSV to Excel Converter

Paste or load delimited data, preview the parsed table, and create a downloadable XLSX workbook in your browser.

Load CSV/TSV

Delimiter

Worksheet name

ReadyXLSX generation runs locally. The browser may load the spreadsheet library on first use.

How to use this CSV to Excel Converter

Convert CSV or TSV data to an Excel XLSX workbook. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.