1
Upload XLSXChoose the XLSX file you want to convert.
2
Review File
3
Convert to CSV
4
Download CSV
data Converter• 100% Client-Side

XLSX to CSV Converter

Extract sheets from Excel workbooks into standard CSV files.

xlsx→csv

Drop XLSX file(s) here, or browse

Supports single or multiple batch 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 XLSX to CSV

Step 1

Upload XLSX

Choose the XLSX file you want to convert.

Step 2

Review File

Check the file information and conversion options.

Step 3

Convert to CSV

Start the local XLSX to CSV conversion.

Step 4

Download CSV

Download your converted CSV file.

Frequently Asked Questions

Questions about XLSX to CSV Conversion

What if my Excel file has multiple tabs/sheets?

Codovate Convert lets you choose which sheet to export to CSV.

Related File Converters

Other popular conversions for data files

View all 60 tools →
csvxlsx
data

CSV to XLSX

Convert raw CSV data into a genuine Microsoft Excel XLSX spreadsheet.

Runs on your device
Convert
jsoncsv
data

JSON to CSV

Convert JSON data to CSV with automatic dot-notation flattening for nested objects (e.g. user.address.city).

Runs on your device
Convert