Convert XLSX to CSV – Simple and Fast

Easily transform your XLSX spreadsheets into CSV files in seconds. Just upload your .xlsx file, click convert, and download the CSV instantly. This tool runs entirely in your browser, so your data remains private and secure.

How XLSX To CSV Works

  1. Upload your .xlsx file from your computer.
  2. The tool reads your spreadsheet and converts it into CSV format.
  3. Click the Convert to CSV button.
  4. Download your CSV file instantly.

All processing happens locally, so it works offline once the page is loaded.

Why Use This XLSX to CSV Converter?

  • Fast & Reliable: Convert spreadsheets to CSV in seconds.
  • Offline & Secure: Your files stay private on your device.
  • Accurate Conversion: Preserves all rows and columns from XLSX files.
  • Cross-Platform: Works on Windows, Mac, Linux, and mobile browsers.

Key Features

1. Upload XLSX Files

Supports any valid .xlsx spreadsheet.

2. Convert to CSV

Transforms XLSX rows and columns into a standard CSV format for easy use in other tools or applications.

3. Instant Download

Get your CSV immediately without waiting or providing an email.

Frequently Asked Questions (FAQ)

1. Is this XLSX to CSV converter free?

Yes, it is completely free with no hidden charges.

2. Do I need to install any software?

No, it works directly in your browser with no downloads.

3. Will my XLSX file be uploaded to a server?

No, all conversion happens locally on your device for maximum privacy.

4. Can I use this tool offline?

Yes, after the page is loaded, the converter works fully offline.

5. Does the CSV preserve the spreadsheet data?

Yes, all XLSX rows and columns are accurately converted into CSV format.

XLSX to CSV Converter – Free Online Tool

Convert Excel XLSX spreadsheets into CSV (Comma-Separated Values) files instantly with this free tool. Just upload your .xlsx file, click convert, and download your clean CSV output. All conversions happen directly in your browser, so your files stay safe and private.

How It Works

  1. Upload your .xlsx file.
  2. The tool reads your spreadsheet and prepares the data.
  3. Click the Convert to CSV button.
  4. Download the resulting .csv file instantly.

Once loaded, this converter works offline — meaning your Excel data never leaves your device.

Why Use XLSX to CSV Converter?

  • Quick Conversion: Transform Excel files into CSV in seconds.
  • Secure & Private: Files are processed locally in your browser.
  • Universal Format: CSV files are supported by databases, spreadsheets, and programming languages.
  • Cross-Platform: Works on Windows, Mac, Linux, and mobile browsers.

Key Features

1. Upload XLSX Files

Supports modern Excel .xlsx files and ensures accurate conversion.

2. Clean CSV Output

Generates CSV with properly separated values for easy import and analysis.

3. Offline Functionality

Once loaded, the tool works without internet connectivity.

Frequently Asked Questions (FAQ)

1. Is this XLSX to CSV converter free?

Yes, this tool is 100% free to use.

2. Do I need to install anything?

No, it works directly in your web browser.

3. Does it work offline?

Yes, once the page loads, conversions happen offline.

4. Why convert XLSX to CSV?

CSV is a lightweight, universal format used in programming, databases, and data analysis.

5. Is my Excel file secure?

Yes. Your XLSX file never leaves your device, as the conversion is done locally.