You can use VeryPDF Document Converter (docPrint Pro) to convert PowerPoint to PDF by command line. VeryPDF Document Converter does not require third-party applications like Adobe Acrobat and MS Office PowerPoint.
It supports batch conversion, resolution setting, color depth setting, page range setting, etc. Besides, you can use it to generate PDF files from any type of PowerPoint files like PPT, PPTX, PPTM, POT and POTX. You can download Document Converter and install it on your computer. The command line application doc2pdf.exe, which is provided by VeryPDF Document Converter can help you solve your problem.
The following will show you how to convert PowerPoint to PDF by command line:
Firstly, please open the command prompt window. For example, if you are in Windows XP, please click Start to open up the Start menu, > click Command Prompt on the Start menu. When you see the command prompt window on the screen, please proceed to the next step.
Secondly, please type a command line in the command prompt window and then press Enter. The following is the usage of doc2pdf.exe:
doc2pdf [options] <-i Document Files> [-o Output]
For example, the command line below can convert a single PPT file to PDF.
"C:\docPrint Pro v5.0\doc2pdf.exe" -i D:\in.ppt -o E:\out.pdf
For another example, the following command line can convert multiple PPTX to PDF files in batch.
"C:\docPrint Pro v5.0\doc2pdf.exe" -i C:\*.pptx -o D:\*.pdf
VeryPDF Document Converter is an easy to use and powerful document converter. It also provides a GUI version. I hope you can use it to quickly convert PowerPoint to PDF. If you want to get more information about VeryPDF Document Converter, please visit the following website: http://verypdf.com/artprint/index.html