This brief tutorial guides on how to convert Excel to CSV using Node.js. It has a list of instructions to set the development environment, a list of programming tasks, and a ready-to-run sample code for the conversion of Excel to CSV using Node.js. You will also learn the process to customize the conversion process as per the application requirements.

Steps to Convert XLSX to CSV using Node.js

1. Set the development environment to use Aspose.Cells for Node.js via Java
2. Load the workbook
3. Declare a TxtSaveOptions object
4. Save the workbook using the TxtSaveOptions object

The aforementioned list of steps can be used to develop an Excel to CSV file converter using Node.js. The process is initiated by loading the target workbook followed by declaration of a TxtSaveOptions class object. In the last step, the workbook save() method is called to to transform the XLSX file to a CSV in Node.js using the TxtSaveOptions object.

Code to Excel to CSV File using Node.js

This sample code demonstrates how to save Excel as CSV using Node.js. The TxtSaveOptions class object is used that set the separator ‘,’ by default. You may improvise your code by using different properties and methods in this class like setExportArea(), setExportAllSheets(), setKeepSeparatorsForBlankRow, and setSeparator() to name a few.

This short tutorial has guided us to convert Excel to CSV using Node.js. If you want to learn the process of creating a new Excel file with Node.js, refer to the article on how to create Excel file in Node.js.