# ftxdiff > Compare differences between two fonts. > More information: . - 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`