Document Converters

XLSX to CSV Converter

Convert Excel .xlsx spreadsheets to CSV in your browser without installing Excel. Upload the file, choose which sheet to export, and download the CSV. All processed locally.

File processed locally No sign-up required Instant download
Excel input CSV output Browser-only

Input

Excel file

Excel

Drop Excel file here

or click to browse · processes locally in your browser

Conversion options

Document processing runs entirely in your browser; files never leave your device

Features

  • Reads multi-sheet XLSX files
  • Sheet selector, choose which tab to export
  • Proper handling of numeric, date, and text cells
  • Download as .csv file
  • Browser-only. File never uploaded
  • No Excel installation required

How to use it

  1. Upload your .xlsx file.
  2. Select the sheet you want to export from the dropdown.
  3. Click Convert.
  4. Download the .csv file.

Use cases

  • Exporting Excel data to CSV for database import
  • Converting spreadsheet reports to CSV for Python/R analysis
  • Moving Excel data to a CSV-only system
  • Sharing spreadsheet data with tools that don't read XLSX

Limitations

  • Merged cells, formulas, and charts are not supported. Only computed cell values are exported.
  • Conditional formatting and cell styles are not preserved in the CSV output.
See also

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Questions & answers

Frequently asked

Can it convert all sheets at once?

Currently one sheet at a time. Select each sheet individually and export a CSV for each.