{
  programs.firefox = {
    enable = true;
    languagePacks = [
      "en-US"
    ];
    profiles = {
      hakase = {
        search.force = true;
        isDefault = true;
        search.default = "ddg";
        settings = {
          "browser.contentblocking.category" = "strict";
          "extensions.pocket.enabled" = false;
          "extensions.screenshots.disabled" = true;
          "browser.topsites.contile.enabled" = false;
          "browser.formfill.enable" = false;
          "browser.search.suggest.enabled" = false;
          "browser.search.suggest.enabled.private" = false;
          "browser.urlbar.suggest.searches" = false;
          "browser.urlbar.showSearchSuggestionsFirst" = false;
          "browser.newtabpage.activity-stream.feeds.section.topstories" = false;
          "browser.newtabpage.activity-stream.feeds.snippets" = false;
          "browser.newtabpage.activity-stream.section.highlights.includePocket" = false;
          "browser.newtabpage.activity-stream.section.highlights.includeBookmarks" = false;
          "browser.newtabpage.activity-stream.section.highlights.includeDownloads" = false;
          "browser.newtabpage.activity-stream.section.highlights.includeVisited" = false;
          "browser.newtabpage.activity-stream.showSponsored" = false;
          "browser.newtabpage.activity-stream.system.showSponsored" = false;
          "browser.newtabpage.activity-stream.showSponsoredTopSites" = false;
          "browser.startup.homepage" = "https://dash.sakamoto.dev";
          "browser.newtabpage.pinned" = [
            {
              title = "Dashboard";
              url = "https://dash.sakamoto.dev";
            }
          ];
        };
        bookmarks = {
          force = true;
          settings = [
            {
              toolbar = true;
              bookmarks = [
                {
                  name = "Home Manager";
                  url = "https://mynixos.com/home-manager/options/programs";
                }
                {
                  name = "YouTube";
                  url = "https://youtube.com";
                }
              ];
            }
          ];
        };
      };
    };

    policies = {
      DisableTelemetry = true;
      DisableFirefoxStudies = true;
      EnableTrackingProtection = {
        Value = true;
        Locked = true;
        Cryptomining = true;
        Fingerprinting = true;
      };
      DisablePocket = true;
      DisableFirefoxAccounts = true;
      DisableAccounts = true;
      DisableFirefoxScreenshots = true;
      OverrideFirstRunPage = "";
      OverridePostUpdatePage = "";
      DontCheckDefaultBrowser = true;
      DisplayBookmarksToolbar = "always"; # alternatives: "always" or "newtab"
      DisplayMenuBar = "default-off"; # alternatives: "always", "never" or "default-on"
      SearchBar = "unified"; # alternative: "separate"

      /*
      ---- EXTENSIONS ----
      */
      # Check about:support for extension/add-on ID strings.
      # Valid strings for installation_mode are "allowed", "blocked",
      # "force_installed" and "normal_installed".
      ExtensionSettings = {
        "*".installation_mode = "allowed";
        "uBlock0@raymondhill.net" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi";
          installation_mode = "force_installed";
        };
        "{446900e4-71c2-419f-a6a7-df9c091e268b}" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/file/4493940/bitwarden_password_manager-2025.5.0.xpi";
          installation_mode = "force_installed";
        };
        "tridactyl.vim@cmcaine.co.uk" = {
          install_url = "https://addons.mozilla.org/firefox/downloads/file/4405615/tridactyl_vim-1.24.2.xpi";
          installation_mode = "force_installed";
        };
        # Privacy Badger:
        # "jid1-MnnxcxisBPnSXQ@jetpack" = {
        #   install_url = "https://addons.mozilla.org/firefox/downloads/latest/privacy-badger17/latest.xpi";
        #   installation_mode = "force_installed";
        # };
        # 1Password:
        # "{d634138d-c276-4fc8-924b-40a0ea21d284}" = {
        #   install_url = "https://addons.mozilla.org/firefox/downloads/latest/1password-x-password-manager/latest.xpi";
        #   installation_mode = "force_installed";
        # };
      };
    };
  };
}