Use an online PDF-to-JPEG converter
Upload the PDF file
Select JPEG as the output format
Choose the pages to convert
Start the conversion
Download the JPEG files
Use Adobe Acrobat
Open the PDF
Export or save as image
Choose JPEG format
Save the converted files
Use Preview on Mac
Open the PDF in Preview
Export each page as JPEG
Save the images
Use a screenshot tool
Open the PDF page
Capture the page as an image
Save the screenshot as JPEG
Use command-line tools
Install a PDF conversion utility
Run a PDF-to-JPEG conversion command
Save the output images