XLSX to CSV Converter

Convert the first worksheet of your Excel file into a plain CSV table, right in your browser.

Drop your file here

or click to browse

Choose File

.xls or .xlsx · output: CSV

This file is processed in your browser and never uploaded to a server.

How It Works

1. Drop your file here
2. Processing…
3. Download

Features

Supports both XLS and XLSX files
Converts the first worksheet
Copy or download as .csv

Frequently Asked Questions

What happens to other worksheets?: Only the first worksheet is converted, since CSV files support a single table.
Are formulas converted too?: The stored calculated values are exported; formulas themselves are not included.