It's a powerful PDF viewing application with a lot of features and options.
Convert PDF files to JPG, PNG, BMP, TIF, GIF, PCX and TGA images in batch mode.
Transform scanned PDFs or JPG/PNG files into editable text, supporting 30+ languages.
Merge multiple PDF and image files into a single PDF document.
Simple program for viewing CSF, PDF, XPS, JPG, and TIFF files