ftxdiff

Compare differences between two fonts. More information: https://developer.apple.com/fonts.

• Output differences to a specific text file:

ftxdiff --output path/to/fontdiff_file.txt path/to/font_file1.ttc path/to/font_file2.ttc

• Include glyph names in output:

ftxdiff --include-glyph-names

• Include unicode names in output:

ftxdiff --include-unicode-names