File APIs for Word/Excel/PowerPoint/PDF

  For various purposes, you may want to convert PowerPoint document to other types of files such as PDF, HTML or Image. In this article, I am going to introduce how to convert a PowerPoint document to PDF, HTML and Image programmatically in Java using Free Spire.Presentation for Java library. Add Dependencies Before coding, you need to add the following code to the project’s pom.xml file to include Free Spire.Presentation for Java in your project. <repositories>              <repository>                  <id>com.e-iceblue</id>                  <name>e-iceblue</name>                  <url>http: //repo.e-iceblue.com/nexus/content/groups/public/...