Use an online PDF-to-PNG converter
Upload the PDF file
Select PNG as the output format
Convert the file
Download the PNG image
Use Adobe Acrobat or another PDF editor
Open the PDF
Export or save as an image
Choose PNG as the format
Save the converted file
Use ImageMagick on the command line
Install ImageMagick
Run a convert command for the PDF
Specify PNG as the output format
Check the generated PNG file
Use Python with a library such as pdf2image
Install the required library
Load the PDF pages
Convert each page to PNG
Save the images to a folder