There used to be a website that did it for youbut it's not free anymore.
You can use FontForge, but you'll need cygwin too if you're running it from Windows.
(You can use FontForge, but you'll need cygwin too if you're running it from Windows.
Kamikaze Stoat £4.09,
Wed 27 Feb 2008, 21:34,
archived)