This document describes preferences affecting Firefox’s Search UI code. For information on the toolkit search service, see the Preferences document. Preferences that are generated and updated by code won’t be described here.

User Exposed

These preferences are exposed through the Firefox UI (string, default: “”)

A comma-separated list of search engines names that are hidden on the toolbar. (boolean, default: false)

Whether the search bar widget is displayed in the navigation bar.


These preferences are normally hidden, and should not be used unless you really know what you are doing. (boolean, default: false)

Whether or not items opened from the search bar are opened in a new tab. (boolean, default: false)

Whether or not tabs opened from searching in the context menu are loaded in the foreground or background.