diff-pdf
Tool for comparing two PDFs.
TLDR
Compare PDFs, indicating changes using return codes (0 = no difference, 1 = PDFs differ)
$ diff-pdf [path/to/a.pdf] [path/to/b.pdf]
Compare PDFs, outputting a PDF with visually highlighted differences
$ diff-pdf --output-diff=[path/to/diff.pdf] [path/to/a.pdf] [path/to/b.pdf]
Compare PDFs, viewing differences in a simple GUI
$ diff-pdf --view [path/to/a.pdf] [path/to/b.pdf]
