Ever since its debut, Firefox has garnered a reputation for being an enormously customizable program, both through its add-on architecture and its internal settings. In fact, many of Firefox’s ...

Use the about:config page to edit Firefox’s wealth of unpublished settings. To narrow down the visible list to just what’s needed, type a search term in the Filter: box. To edit a preference, ...

The Configuration Editor (about:config page) in Mozilla Firefox lists settings known as preferences. Most of these preferences are advanced settings that are not present in the Options panel. Changing ...