FTDIFF(1)                   General Commands Manual                  FTDIFF(1)

NAME
       ftdiff - compare font hinting modes

SYNOPSIS
       ftdiff [options] font ...

DESCRIPTION
       ftdiff displays text in three columns, using the font or fonts given on
       the command line, and applies different FreeType hinting modes to each
       column.

       font   The font file(s) to display.  For Type 1 font files, ftdiff also
              tries to attach the corresponding metrics file (with extension
              `.afm' or `.pfm').

       This program is part of the FreeType demos package.

OPTIONS
       -d WxH Set the window width to W px, the height to H px (default: 640 x
              480).

       -r r   Use resolution r dpi (default: 72dpi).

       -s s   Set character size to s points (default: 16pt).

       -f textfile
              Change displayed text, using text in textfile (in UTF-8
              encoding).

       -v     Show version.

FreeType 2.14.1                 September 2025                       FTDIFF(1)