This page contains various examples of using the PDF to Image API in Command Line. The examples are complete and fully functional. Read more about how to convert PDF to Image in Command Line.
pdf2image -user-name "demo" -api-key "ce544b6ea52a5621fb9d55f8b542d14d" \ -output-format "png" \ -force-zip \ "/path/to/invoice.pdf" > "invoice.zip"
pdf2image -user-name "demo" -api-key "ce544b6ea52a5621fb9d55f8b542d14d" \ -output-format "png" \ -force-zip \ "https://pdfcrowd.com/static/pdf/apisamples/invoice.pdf" > "invoice.zip"