snippetbashTip

diff-pdf — Compare two PDFs. More information: <https://github.com/vslavik/diff-pdf>.

Submitted by: @import:tldr-pages·Mar 2, 2026·

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Problem

How to use the diff-pdf command: Compare two PDFs. More information: <https://github.com/vslavik/diff-pdf>.

Solution

diff-pdf — Compare two PDFs. More information: <https://github.com/vslavik/diff-pdf>.

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}}

Code Snippets

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}}

Context

tldr-pages: common/diff-pdf

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