pdftocairo
命令手册Converts PDF files to PNG/JPEG/TIFF/PDF/PS/EPS/SVG using cairo. More information: https://poppler.freedesktop.org.
pdftocairo {{path/to/file.pdf}} -jpeg
pdftocairo {{path/to/file.pdf}} {{output.pdf}} -pdf -expand
pdftocairo {{path/to/file.pdf}} {{output.svg}} -svg -f {{first_page}} -l {{last_page}}
pdftocairo {{path/to/file.pdf}} {{output.png}} -png -r 200
pdftocairo {{path/to/file.pdf}} -tiff -gray -paper A3
pdftocairo {{path/to/file.pdf}} -png -x {{x_pixels}} -y {{y_pixels}}