Toolbar letters are too small
The type font size of the toolbars and headers of Firefox itself are too small and hard to read. I have no trouble increasing the size of webpage fonts and using the zoom controls etc. The result is that webpage type size is fine and firefox OS type is small.
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Code changes regarding HiDPI support for high resolution displays have landed in Firefox 22 and later (bug #844604).
You can modify the layout.css.devPixelsPerPx and increase or decrease the value in 0.1 or 0.05 steps to adjust the size of fonts and other elements in Firefox.
- The layout.css.devPixelsPerPx pref is a String value parsed to a float and allows to fine tune the dimensions of all elements (user interface and web pages) more precisely (resolution 0.1 or 0.05).
- Change the default value -1 to 1 to make it work like in previous Firefox versions (100%)
Start with a value of 1 and adjust this value with 0.1 steps or 0.05 for finer adjustments.
- Use values between 1.0 and about 0.5 to reduce elements in size (do NOT go all the way to 0.05!)
- Use values greater than 1.0 to magnify and make elements larger (percentage divided by DPI, % / DPI).
- http://kb.mozillazine.org/about:config
If web pages needs to be adjusted after changing this pref then you can look at the Default FullZoom Level or NoSquint extension.
- Default FullZoom Level: https://addons.mozilla.org/firefox/addon/default-fullzoom-level/
- NoSquint: https://addons.mozilla.org/firefox/addon/nosquint/
Use this extension to adjust the font size for the user interface:
- Theme Font & Size Changer: https://addons.mozilla.org/firefox/addon/theme-font-size-changer/
Modified by cor-el