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Spreadsheet & Table Conversions

Excel (XLSX) to CSV Converter

Upload an Excel workbook (.xlsx or .xls) and download clean CSV. Choose which sheet to export — perfect for importing into databases, scripts and data pipelines.

  • Free & unlimited
  • No signup
  • Files stay in your browser
Excel Input

How to convert Excel to CSV

  1. Upload your Excel .xlsx or .xls file (or drag and drop it).
  2. If the workbook has multiple sheets, pick the one to export.
  3. The CSV is generated instantly.
  4. Copy it or download a .csv file.

About the Excel to CSV converter

This free online excel (xlsx) to csv converter lets you turn Excel into CSV in seconds, right inside your browser. There is nothing to install and no account to create — just paste or upload your Excel, and your CSV is generated instantly.

Unlike many online converters, QuickConvert never uploads your data to a server. Every conversion runs locally using JavaScript, so your files stay private on your own device. That makes it safe for sensitive, proprietary, or internal data that you would not want to send to a third party.

Why use QuickConvert?

  • Private by design — your Excel is processed in your browser and never leaves your computer.
  • Fast — conversions happen instantly as you type, with no waiting on a server round-trip.
  • Free & unlimited — no signup, no paywall, no file-size gimmicks.
  • Works everywhere — any modern browser on desktop, tablet or mobile.

Frequently Asked Questions

Can I choose which worksheet to export?

Yes. If your workbook has several sheets, a selector appears so you can export exactly the one you need.

Does it support the older .xls format?

Yes, both modern .xlsx and legacy .xls workbooks are supported.

Is my spreadsheet uploaded anywhere?

No. The file is read and converted in your browser, so even sensitive financial data stays on your device.