ImBatch - ImBatch is a batch image processor with a nice graphical user interface.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
XnConvert - XnConvert is an easy image converter for graphic files, photos and images available on Windows...
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
DVDVideoSoft Image Convert and Resize - Free Image Convert and Resize is a compact yet powerful program for batch mode image processing.
Wondershare PDFelement - All-in-one PDF editor