1
Upload XLSSelect your XLS file.
2
CSV Options
3
Convert to CSV
4
Download CSV
spreadsheet Converter• 100% Client-Side

Excel XLS to CSV Converter

xls→csv

Drop XLS file here, or browse

Select file for private local conversion

Private by Design

Your files are processed directly on your device using WebAssembly, HTML5 Canvas, and client-side runtimes.

No server upload No cloud copy 100% local processing
How To Convert

How to convert XLS to CSV

Step 1

Upload XLS

Select your XLS file.

Step 2

CSV Options

Choose delimiter and quote parameters.

Step 3

Convert to CSV

Extract worksheet table cells into CSV data.

Step 4

Download CSV

Download CSV data file.