Android API to convert XLS to XLSX

Android library to convert XLS to XLSX

Use Cells Conversion REST API to create customized spreadsheet workflows in Android. This is a professional solution to convert XLS to XLSX and other document formats online using Android.

Convert a XLS file to XLSX in Android


Converting file formats from XLS to XLSX is a complex task. All XLS to XLSX format transitions is performed by our Android SDK while maintaining the source XLS spreadsheet's main structural and logical content. Our Android library is a professional solution to convert XLS to XLSX files online. This Cloud SDK gives Android developers powerful functionality and perfect XLSX output.

Code example in Android using REST API to convert XLS to XLSX format

    // For complete examples and data files, please go to
        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);            
                            response.renameTo(new File(destFile));
                catch(Exception exception )

How to use Java API to convert XLS to XLSX

  1. Create an account at Dashboard to get free API quota & authorization details
  2. Initialize CellsApi with Client Id, Client Secret, Base URL & API version
  3. Call cellsWorkbookPutConvertWorkbook method to get the resultant stream

System Requirements

  1. Android 7 or newer
  2. Java(TM) SE Runtime Environment