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XLS to CSV

Convert XLS spreadsheets to CSV in seconds. XLS is best for older Excel and accounting software; CSV is best for importing and exporting data between apps. Your files are processed on your own device.

  • No upload — 100% private
  • Fast, lossless when possible
  • Free & unlimited
  • Works on iPhone & Android

    How to convert XLS to CSV

    1. 1

      Tap Choose files and select your XLS file(s).

    2. 2

      Adjust the options if you like (the defaults work well).

    3. 3

      Press Convert to CSV. Several files can be downloaded together as a ZIP.

    XLS vs CSV

    XLSCSV
    Full nameExcel 97–2003 workbookComma-Separated Values
    Opens on iPhone◐ Partly / with an app✓ Yes
    Opens on Android◐ Partly / with an app✓ Yes
    Opens on Windows✓ Yes✓ Yes
    Opens on Mac◐ Partly / with an app✓ Yes

    XLS: XLS is the older binary Excel format. Some accounting and government software still exports it.

    CSV: CSV is plain-text table data, one row per line. Every spreadsheet, database and CRM can import it.

    Frequently asked questions

    How do I convert XLS to CSV on my phone?
    Open this page in your phone's browser, tap Choose files, pick your XLS file(s) and press the button. The CSV file saves to Downloads.
    Is it free and unlimited?
    Yes. There's no sign-up, no watermark and no daily limit.
    Are my files uploaded?
    No. Conversion runs in your browser, so your documents and photos stay private.

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