{pkgs, ...}: {
  programs.firefox = {
    enable = true;
    profiles.evie = {
      settings = {
        "app.shield.optoutstudies.enabled" = false;
        "browser.bookmarks.addedImportButton" = true;
        "browser.bookmarks.showMobileBookmarks" = true;
        "browser.contentblocking.category" = "strict";
        "browser.startup.homepage" = "https://nixos.org";
        "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" = true;
        "media.eme.enabled" = true;
        "signon.management.page.breach-alerts.enabled" = false;
        "signon.rememberSignons" = false;
        "browser.newtabpage.pinned" = [
          {
            title = "NixOS";
            url = "https://nixos.org";
          }
        ];
      };
      bookmarks = [
        {
          name = "Wikipedia";
          tags = ["wiki"];
          keyword = "wiki";
          url = "https://en.wikipedia.org/wiki/Special:Search?search=%s&go=Go";
        }
        {
          name = "kernel.org";
          url = "https://www.kernel.org";
        }
        {
          name = "Toolbar";
          toolbar = true;
          bookmarks = [
            {
              name = "Nix sites";
              bookmarks = [
                {
                  name = "homepage";
                  url = "https://nixos.org/";
                }
                {
                  name = "wiki";
                  tags = ["wiki" "nix"];
                  url = "https://nixos.wiki/";
                }
              ];
            }
          ];
        }
      ];
      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}";}];
            iconUpdateURL = "https://nixos.wiki/favicon.png";
            updateInterval = 24 * 60 * 60 * 1000; # every day
            definedAliases = ["@nw"];
          };
        };
      };
    };
  };
}