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 PDFs and display visual differences in a window$ diff-pdf file1.pdf file2.pdf
Generate a visual diff output as a new PDF file$ diff-pdf --output-diff=differences.pdf file1.pdf file2.pdf
Compare specific pages of two PDFs$ diff-pdf --page-nums=1-5 file1.pdf file2.pdf