{ pkgs, ... }: {
  programs.firefox = {
    enable = true;
    profiles = {
      "default" = {
        id = 0;

        search.default = "Startpage";
        search.engines = {
          "Startpage" = {
            urls = [{
              template = "https://startpage.com/do/search";
              params = [
                { name = "query"; value = "{searchTerms}"; }
              ];
            }];
            definedAliases = [ "@sp" ];
          };
          "DuckDuckGo" = {
            urls = [{
              template = "https://duckduckgo.com/";
              params = [
                { name = "q"; value = "{searchTerms}"; }
              ];
            }];
            definedAliases = [ "@ddg" ];
          };
          "Google" = {
            urls = [{
              template = "https://google.com/search";
              params = [
                { name = "q"; value = "{searchTerms}"; }
              ];
            }];
            definedAliases = [ "@g" ];
          };
          "Wikipedia" = {
            urls = [{
              template = "https://en.wikipedia.org/wiki/Special:Search";
              params = [
                { name = "search"; value = "{searchTerms}"; }
              ];
            }];
            definedAliases = [ "@wiki" ];
          };
          "YouTube" = {
            urls = [{
              template = "https://youtube.com/results";
              params = [
                { name = "search_query"; value = "{searchTerms}"; }
              ];
            }];
            definedAliases = [ "@yt" ];
          };
          "Nix Packages" = {
            urls = [{
              template = "https://search.nixos.org/packages";
              params = [
                { name = "type"; value = "packages"; }
                { name = "query"; value = "{searchTerms}"; }
              ];
            }];
          };
        };

        extensions = with pkgs.nur.repos.rycee.firefox-addons; [
          bitwarden
          sponsorblock
          ublock-origin
          consent-o-matic
          pronoundb
        ];
      };
    };
  };
}