latexdiff

Determine differences between two LaTeX files. More information: https://ctan.org/pkg/latexdiff.

• Determine changes between different versions of a LaTeX file (the resulting LaTeX file can be compiled to show differences underlined):

latexdiff old.tex new.tex > diff.tex

• Determine changes between different versions of a LaTeX file by highlighting differences in boldface:

latexdiff --type=BOLD old.tex new.tex > diff.tex

• Determine changes between different versions of a LaTeX file, and display minor changes in equations with both added and deleted graphics:

latexdiff --math-markup=fine --graphics-markup=both old.tex new.tex > diff.tex