Merge PDFs with Ghostscript & PDF to JPG
1.Merge PDFs gs -dNOPAUSE -sDEVICE=pdfwrite -sOUTPUTFILE=[OUT_NAME] -dBATCH [FILES] 2.PDF to JPG convert -verbose -colorspace RGB -antialias -density 300 -quality 100 [PDF_NAME] [IMAGE_NAME].jpg
Sharing Feelings, Note, Linux...