npm

diff-pdf

Visually compare two PDF files and highlight differences.

brewmacoslinux
Try with needOr install directly
Source

About

Visually compare two PDF files

Commands

diff-pdf

Examples

compare two pdf files side by side$ diff-pdf file1.pdf file2.pdf
save pdf comparison as output image$ diff-pdf --output-diff=diff.pdf file1.pdf file2.pdf
compare specific pages in two pdfs$ diff-pdf --page-numbers=1-5 file1.pdf file2.pdf
check if two pdfs are identical$ diff-pdf file1.pdf file2.pdf && echo 'PDFs match'
highlight differences with custom colors$ diff-pdf --color-added=red --color-removed=blue file1.pdf file2.pdf