{ pkgs, ... }: {
  programs.firefox = {
    enable = true;
    package = pkgs.librewolf;
    policies = {
      DisableTelemetry = true;
      DisableFirefoxStudies = true;
      Preferences = {
        "cookiebanners.service.mode.privateBrowsing" = 2; # Block cookie banners in private browsing
        "cookiebanners.service.mode" = 2; # Block cookie banners
        "privacy.donottrackheader.enabled" = true;
        "privacy.fingerprintingProtection" = true;
        "privacy.resistFingerprinting" = true;
        "privacy.trackingprotection.emailtracking.enabled" = true;
        "privacy.trackingprotection.enabled" = true;
        "privacy.trackingprotection.fingerprinting.enabled" = true;
        "privacy.trackingprotection.socialtracking.enabled" = true;

        # Browser Settings
        "extensions.pocket.enabled" = false;
        "browser.newtabpage.activity-stream.feeds.telemetry" = false;
        "browser.newtabpage.activity-stream.telemetry" = false;
        "browser.ping-centre.telemetry" = false;
        "browser.startup.homepage" = "https://kagi.com";
        "browser.search.region" = "US";
        "browser.search.isUS" = true;
        "browser.bookmarks.showMobileBookmarks" = false;
        "browser.newtabpage.enabled" = false;
        "browser.tabs.firefox-view" = false;

        # Enable Tab Groups 
        "browser.tabs.groups.enabled" = true;

        # Telemetry
        "toolkit.telemetry.server" = "null";
        "toolkit.telemetry.enabled" = false;
        "toolkit.telemetry.bhrPing.enabled" = false;
        "toolkit.telemetry.pioneer-new-studies-availble" = false;
        "toolkit.telemetry.firstShutdownPing.enabled" = false;
        "toolkit.telemetry.hybridContent.enabled" = false;
        "toolkit.telemetry.newProfilePing.enabled" = false;
        "toolkit.telemetry.shutdownPingSender.enabled" = false;
        "toolkit.telemetry.updatePing.enabled" = false;
        "toolkit.telemetry.reportingpolicy.firstRun" = false;
        "toolkit.telemetry.unified" = false;
        "toolkit.telemetry.archive.enabled" = false;

        # Data Reporting
        "datareporting.policy.dataSubmissionEnabled" = false;
        "datareporting.sessions.current.clean" = "true";
        "datareporting.healthreport.uploadEnabled" = false;
        "datareporting.healthreport.infoURL" = "null";

        # Other
        "devtools.onboarding.telemetry.logged" = false;
        "services.sync.prefs.sync.browser.newtabpage.enabled" = false;
        "general.useragent.locale" = "en-US";
        "distribution.searchplugins.defaultLocale" = "en-US";

      };
      ExtensionSettings = {
        # Bitwarden
        "{446900e4-71c2-419f-a6a7-df9c091e268b}" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/file/4440363/bitwarden_password_manager-2025.2.0.xpi";
          installation_mode = "force_installed";
        };

        # AdNausuem
        "adnauseam@rednoise.org" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/file/4423711/adnauseam-3.24.4.xpi";
          installation_mode = "force_installed";
        };

        # Consent-O-Matic
        "gdpr@cavi.au.dk" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/file/4423711/adnauseam-3.24.4.xpi";
          installation_mode = "force_installed";
        };

        # Copy Selection As Markdown
        "{db9a72da-7bc5-4805-bcea-da3cb1a15316}" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/file/4250904/copy_selection_as_markdown-0.22.0.xpi";
          installation_mode = "force_installed";
        };

        # Darkreader
        "addon@darkreader.or" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/file/4439735/darkreader-4.9.103.xpi";
          installation_mode = "force_installed";
        };

        # Kagi Search for Firefox
        "search@kagi.com" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/file/4429158/kagi_search_for_firefox-0.7.6.xpi";
          installation_mode = "force_installed";
        };

        # Link Cleaner
        "{6d85dea2-0fb4-4de3-9f8c-264bce9a2296}" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/file/4272011/link_cleaner-1.6resigned1.xpi";
          installation_mode = "force_installed";
        };

        # MarkDownload - Markdown Web Clipper
        "{1c5e4c6f-5530-49a3-b216-31ce7d744db0}" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/file/4006297/markdownload-3.2.0.xpi";
          installation_mode = "force_installed";
        };

        # Privacy Redirect
        "{b7f9d2cd-d772-4302-8c3f-eb941af36f76}" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/file/3815058/privacy_redirect-1.1.49.xpi";
          installation_mode = "force_installed";
        };

        # SponsorBlock for YouTube - Skip Sponsorships
        "sponsorBlocker@ajay.app" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/file/4424639/sponsorblock-5.11.5.xpi";
          installation_mode = "force_installed";
        };

        # uBlock Origin
        "uBlock0@raymondhill.net" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/file/3815058/privacy_redirect-1.1.49.xpi";
          installation_mode = "force_installed";
        };
      };
    };
  };
}