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Convert XLSX to CSV with NET REST API

In this simple topic, you’ll learn how to convert XLSX to CSV with NET REST API. We will develop an XLSX to CSV converter with C# Low Code API by following the detailed and lucid steps mentioned in the following section. The developed application can be integrated with any .NET application supported in Linux, Windows, or macOS environments and conversion can be done for free.

Prerequisite

Steps to Convert XLSX to CSV with NET REST API

  1. Set the Client ID and Client Secret for the API to convert XLSX to CSV
  2. Create an instance of CellsApi class with client credentials to perform XLSX to CSV conversion
  3. Specify the source XLSX and output CSV file names and load the source XLSX file in a memory stream
  4. Create an instance of the PostConvertWorkbookToCSVRequest with input XLSX file stream and other optional properties
  5. Call the XLSX to CSV request method to convert XLSX to CSV with NET REST API
  6. Save the rendered CSV file stream on the local disk

The aforementioned steps transform the file type from XLSX to CSV with C# low code API. We will start the process with the initialization by configuring the SDK and creating the CellsAPI class object. We will then access the source XLSX file using a FileStream and create an instance of the PostConvertWorkbookToPDFRequest class that is further used for performing the conversion to a CSV file stream using the PostConvertWorkbookToCSV() method.

Code for XLSX to CSV Conversion in NET Low Code API

This simple example code lets you convert XLSX to CSV with C# cloud API. You only need to provide a valid path for the XLSX file on the disk with the help of the Aspose.Cells REST API SDK will perform the conversion, and then, after the conversion process is completed, download the output CSV file stream to save it locally.

We have learned to transform XLSX to CSV with Cloud API in this topic. If you are interested in performing XLSX to DOCX conversion, refer to the article on how to Convert XLSX to DOCX with NET REST API.