From Qoppa Software:
jPDFImagesCLI for Linux(64-bit) is a command-line utility to export images from PDF files on Mac, Linux or Windows. jPDFImages can create images from pages in a PDF document and export them as JPEG, TIFF or PNG images. Export PDF document pages as JPEG, TIFF or PNG images. Support for PDF 1.7 (latest PDF format). No need to install or configure additional drivers or software when deploying your application.