Gfx.use text smoothing setting

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By default, Mozilla will use anti-aliasing on all rendered text in OS X. However, OS X has a system preference which turns off anti-aliasing on text at or below a certain size. This preference determines whether or not Mozilla should honor that system-wide setting.

Possible values and their effects


Honor the “Turn off text smoothing for font sizes ___ and smaller” setting in OS X’s appearance system preferences when deciding whether to anti-alias rendered text.


Ignore OS X’s font smoothing preferences. Anti-alias text at all sizes. (Default)


  • This preference only has an effect in OS X.

First checked in

2008-05-01 by John Daggett

Has an effect in

  • Firefox (Mac nightly builds since 2008-05-01)

Related bugs

Related preferences

External links