XLSX to CSV Converter

Convert XLSX to CSV online quickly and easily. Just upload your file, convert it, and download the CSV in seconds.

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What is XLSX ?

The XLSX file format is a spreadsheet file format created by Microsoft Excel, which is part of the Microsoft Office suite. It is based on the Open XML format and is widely used for storing and managing data in tabular form, allowing users to perform calculations, create charts, and analyze information efficiently.

XLSX format  ▶

What is CSV ?

CSV, or Comma-Separated Values, is a simple file format used to store tabular data in plain text. Each line in a CSV file corresponds to a row in the table, and each value within that line is separated by a comma, making it easy to import and export data between different programs.

CSV format  ▶

How to Convert XLSX to CSV in Just a Few Steps

  1. Upload your XLSX file
    Drag and drop your XLSX file, click 'Select Files' to upload from your device, or import directly from Dropbox, Google Drive, OneDrive, or paste a URL.
  2. Choose CSV as output format
    The converter is preset to CSV, but you can select any other output format before converting.
  3. Adjust settings (optional)
    If you like, tweak output options such as resolution, quality, or compression before converting.
  4. Convert the file
    Click the 'Convert' button. The conversion takes only a few seconds.
  5. Download your converted file
    Download the converted file to your device, or save it directly to Google Drive, Dropbox, or OneDrive.

Why Convert XLSX to CSV file?

Converting an XLSX spreadsheet to CSV strips your Excel file down to plain, simple data — just the values, separated by commas, with no formatting, formulas, or multiple sheets. CSV is the universal language of data, readable by almost every program, database, and script. It is the format to choose when you need to import your spreadsheet data into another system or hand it to software that expects raw values.

This conversion is ideal when the data matters more than the presentation — feeding a database, importing into another application, or processing values with a script. Keep in mind that CSV keeps only the plain data from a single sheet, so formatting, formulas, and extra tabs are left behind. When you want a clean, portable data file rather than a formatted spreadsheet, CSV is the simplest, most compatible choice.

Start converting XLSX to CSV now — it’s fast, safe, and completely online!