Convert XLS to XLSX

Java library for converting XLS to XLSX

Use the Conversion API of of Cells Cloud to create customized spreadsheet workflows in Java projects. This is a professional solution to convert XLS to XLSX and other document formats online using Java.

C#
Java
Python
PHP
Go
Node
Perl
Swift
Ruby
Android

Convert XLS to XLSX using Cells Cloud SDK for Java

API
PUT
https://api.aspose.cloud/v3.0/cells/convert
Try it

Converting file formats from XLS to XLSX can be a complex task. Our Java SDK handles all XLS to XLSX format conversions while preserving the main structural and logical content of the source XLS spreadsheet. Our Java library provides a professional solution for converting XLS to XLSX files online. This Cloud SDK empowers Java developers with powerful functionality and ensures high-quality XLSX output.

Java Code Example for converting XLS to XLSX using Cells Cloud SDK

// For complete examples and data files, please go to https://github.com/aspose-cells-cloud/aspose-cells-cloud-java/
    import java.io.File;
    import com.aspose.cloud.cells.api.*;
    public class Conversion {
        public static void main(String[] args) {
            String name =  "Book1.xls";
            String format = "xlsx";
            String password = null;
            String outPath = null;
            String destFile = "DestFile.xlsx";
            try {
                CellsApi cellsApi = new CellsApi(System.getenv("ProductClientId"), System.getenv("ProductClientSecret"));
                File response = cellsApi.cellsWorkbookPutConvertWorkbook(new File(name), format, password, outPath, null,null);            
                if(response.canRead())
                {
                    if(response.exists()){
                        response.renameTo(new File(destFile));
                    }                
                }
            }
            catch(Exception exception )
            {
                System.out.print(exception);
            }
        }
    }

Learn how to convert XLS to XLSX using the Cells Cloud Java library.

  1. Register an account at Dashboard to get free API quota & authorization details
  2. Install Java library and add the reference (import the library) to your project.
  3. Open the source file in Java.
  4. Use the `putConvertWorkbook` method to retrieve the resulting stream.

System Requirements

  1. Maven 2.2.0 or newer
  2. Java(TM) SE Runtime Environment