As a file format enthusiast, I have seen various use cases where there is a need for PDF conversion to other formats such as DOCX, XLSX, PPTX and etc. programmatically. C# and Java being two of the most popular and widely adopted languages have been part of the popular search queries for PDF conversion. For the ease of other developers, I am listing down the articles that demonstrate how to convert PDF documents to other file formats using C# and Java code samples.

Java

• Convert PDF to MS Word Documents in Java
• Convert PDF to MS Excel Worksheets in Java
• Convert PDF to MS PowerPoint Slides in Java

C#.NET

• Convert PDF to MS Excel Worksheets in C#
• Convert PDF to MS PowerPoint Slides in C#
• Convert PDF to MS Word Document using C#

Cheers!