poppler-utils

• PDF 관련 라이브러리/유틸 모음
• pdftoppm: Portable Document Format (PDF) to Portable Pixmap (PPM) converter (version 3.03) | poppler-utils Commands | Man Pages | ManKier
• pdftocairo: Portable Document Format (PDF) to PNG/JPEG/TIFF/PDF/PS/EPS/SVG using cairo | poppler-utils Commands | Man Pages | ManKier
• pdfimages: Portable Document Format (PDF) image extractor (version 3.03) | poppler-utils Commands | Man Pages | ManKier

sudo apt install poppler-utils

• -jpeg, -png 등 가능.
• PDF 페이지를 이미지로 뽑아줌. 순서대로 이름 붙임.

pdftoppm input.pdf output -jpeg

• How to Convert PDF to Image in Linux | Baeldung on Linux