Advanced Firefox Settings

Advanced Firefox browser configuration

Web, Browser, Config
Advanced Firefox Settings

Initial setup

Do not download .msi package from downloading page, MSI package will install Firefox with default installation path.

These are the author's custom configuration of the Firefox desktop browser, intended for personal use.

With this set of extensions you may have problems displaying content on some web pages. Therefore, each of them should be configured according to your preferences. Read extension description before using.

Extensions:
  • uBlock Origin - ad blocker, privacy settings;
  • Privacy Badger - ad blocker, privacy settings;
  • Decentraleyes - protect your privacy, improves web pages loading speed;
  • Dark Reader - dark themes everywhere;
  • CanvasBlocker - fingerprinting & anonymity;
  • FoxyProxy Standard - proxy client for web browser;

Add to favourites for quick access:
about:config - ffConf
about:logins - ffPass
about:networking - ffNet
about:networking#dns - ffDNS
about:serviceworkers - ffSW

Advanced Customization and Configuration Options

Don't copy-paste these settings unless you know what you're doing, as it may impact your user experience. There are tooltips with explanations for each option.

Most of these settings are not synced with your Mozilla account.

Enter about:config in Firefox browser address bar to open advanced configuration settings page.

Productivity:

extensions.screenshots.disabled=true
extensions.pocket.enabled=false
browser.tabs.insertAfterCurrent=true
layout.word_select.eat_space_to_next_word=false
doh-rollout.home-region=US
browser.search.region=US
browser.translations.automaticallyPopup=false
browser.translations.enable=false
browser.cache.disk.parent_directory={W:\junk\ffCache}

Anonymity: 

general.useragent.override=Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.79 Safari/537.36
webgl.renderer-string-override=ANGLE (Intel(R) HD Graphics 520 Direct3D11 vs_5_0 ps_5_0)
webgl.vendor-string-override=Google Inc.
webgl.override-unmasked-renderer=ANGLE (Intel(R) HD Graphics 520 Direct3D11 vs_5_0 ps_5_0)
webgl.override-unmasked-vendor=Google Inc.
intl.accept_languages=en | {en-US, en} | {en-GB, en-US, en}
media.peerconnection.enabled=false
dom.serviceWorkers.enabled=false

Customize browser|webpages styles and behaviour: 

toolkit.legacyUserProfileCustomizations.stylesheets=true

More about userContent.css & userChrome.(css|js) files

Advanced Firefox Profile Manager Configuration

Firefox Profile Manager designed to run different browser instances with separate per/browser configurations from one FireFox install.

To run Firefox Profile Manager create a shortcut with a "target": P:\ff\firefox.exe -ProfileManager

To run new profile create a shortcut with a "target": P:\ff\firefox.exe -p zionsky

Where:
"P:\ff\firefox.exe" - path to firefox execution file.
"zionsky" is a profile name, that you want to run.