PDF2PPT is a Office Tools software developed by L I T (Laux Information Technology). After our trial and test, the software is proved to be official, secure and free. Here is the official description for PDF2PPT:

BS Editor: This application converts PDF documents into PPT (Microsoft PowerPoint). PDF2PPT Now also supports conversions from the command line (Batch mode).You do NOT need additional commercial software. You just need Ghostscript (free downloadable).