{ pkgs, ... }: {
  programs.firefox = {
    enable = true;
    profiles.default = {
      settings = {
        "app.shield.optoutstudies.enabled" = false;
        "browser.startup.homepage" = "https://cloud.xenia.me.uk";
        "browser.bookmarks.addedImportButton" = true;
        "browser.bookmarks.showMobileBookmarks" = true;
        "browser.toolbars.bookmarks.visibility" = "newtab";
        "browser.contentblocking.category" = "strict";
        "browser.search.region" = "GB";
        "browser.search.isUS" = false;
        "browser.warnOnQuitShortcut" = false;
        "distribution.searchplugins.defaultLocale" = "en-GB";
        "doh-rollout.home-region" = "GB";
        "extensions.activeThemeID" = "firefox-alpenglow@mozilla.org";
        "extensions.formautofill.creditCards.enabled" = false;
        "general.useragent.locale" = "en-GB";
        "intl.locale.requested" = "en-GB,en-US";
        "intl.regional_prefs.use_os_locales" = false;
        "media.eme.enabled" = true;
        "privacy.webrtc.legacyGlobalIndicator" = false;
        "signon.management.page.breach-alerts.enabled" = false;
        "signon.rememberSignons" = false;
        "browser.newtabpage.pinned" = [
          {
            title = "NixOS Wiki";
            url = "https://nixos.wiki";
          }
          {
            title = "Arch Wiki";
            url = "https:wiki.archlinux.org";
          }
        ];
      };
      search = {
        default = "DuckDuckGo";
        force = true;
        order = [ "DuckDuckGo" ];
        engines = {
          "MyNixOS" = {
            urls =
              [{ template = "https://mynixos.com/search?q={searchTerms}"; }];
            icon =
              "${pkgs.nixos-icons}/share/icons/hicolor/scalable/apps/nix-snowflake.svg";
            definedAliases = [ "@np" ];
          };
          "NixOS Wiki" = {
            urls = [{
              template = "https://nixos.wiki/index.php?search={searchTerms}";
            }];
            icon =
              "${pkgs.nixos-icons}/share/icons/hicolor/scalable/apps/nix-snowflake.svg";
            definedAliases = [ "@nw" ];
          };
          "Arch Wiki" = {
            urls = [{
              template =
                "https://wiki.archlinux.org/index.php?search={searchTerms}";
            }];
            definedAliases = [ "@aw" ];
          };
          "GitHub" = {
            urls =
              [{ template = "https://github.com/search?q={searchTerms}"; }];
            definedAliases = [ "@gh" ];
          };
        };
      };
      bookmarks = [{
        name = "toolbar";
        toolbar = true;
        bookmarks = [
          {
            name = "Wikipedia";
            tags = [ "wiki" ];
            keyword = "wiki";
            url = "https://en.wikipedia.org";
          }
          {
            name = "NixOS Wiki";
            tags = [ "wiki" "nix" ];
            url = "https://nixos.wiki/";
          }
          {
            name = "Arch Wiki";
            tags = [ "wiki" "arch" ];
            url = "https://wiki.archlinux.org/";
          }
          {
            name = "Nextcloud";
            tags = [ "cloud" "storage" "federation" "xenia" ];
            url = "https://cloud.xenia.me.uk";
          }
          {
            name = "Proton Mail";
            tags = [ "email" ];
            url = "https://mail.proton.me";
          }
          {
            name = "Gitea";
            tags = [ "git" "source" "xenia" ];
            url = "https://git.xenia.me.uk";
          }
          {
            name = "GitHub";
            tags = [ "git" "source" ];
            url = "https://github.com";
          }
          {
            name = "GitLab";
            tags = [ "git" "source" ];
            url = "https://gitlab.com";
          }
        ];
      }];
    };
  };
}