What are settings supported in Mozilla Firefox?

The latest version of Mozilla Firefox supports a wide range of settings organized in different categories. You can following this tutorial to find, view and update them:

1. Enter "about:preferences" in the Website address input field. Or click on the menu icon and select "Settings". You see the settings page.

2. Brows each setting in each category:

General:
  Startup 
  Tabs 
  Website appearance 
  Colors
  Fonts 
  Zoom 
  Language 
  Downloads 
  Applications 
  Digital Rights Management (DRM) Content 
  Firefox Updates 
  Performance 
  Browsing 
  Network Settings 
Home 
  New Windows and Tabs 
  Firefox Home Content 
Search 
  Search Bar 
  Default Search Engine 
  Search Suggestions 
  Search Shortcuts 
Privacy < Security 
  Enhanced Tracking Protection
  Cookies and Site Data 
  Logins and Passwords 
  Forms and Autofill 
  History 
  Address Bar - Firefox Suggest 
  Permissions 
  Firefox Data Collection and Use 
  Security 
  Certificates 
  HTTPS-Only Mode 
Sync 
  Take Your Web With You 
More from Mozilla 
Extensions < Themes 
Firefox Support 

⇒ What Are Cookies in Firefox?

⇐ What Is Mozilla Firefox?

⇑ General Questions on Mozilla Firefox

⇑⇑ Firefox - Frequently Asked Questions