Excel spreadsheets allow you to store and well organize the data in tabular form. You can perform computations as well as generate different types of graphs and charts in order to analyze the data. However, in various scenarios, you may need to carry out Excel to HTML conversion to convert worksheets to HTML pages. For example, when embedding the content of the spreadsheets into web pages. In accordance with that, this article aims to cover how to convert Excel XLSX files to HTML programmatically using Java.