{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" = false;
        "media.eme.enabled" = true;
        "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 = "Nix sites";
              bookmarks = [
                {
                  name = "NixOS Wiki";
                  tags = ["wiki" "nix"];
                  url = "https://nixos.wiki/";
                }
                {
                  name = "Arch Wiki";
                  tags = ["wiki" "arch"];
                  url = "https://wiki.archlinux.org/";
                }
              ];
            }
            {
              name = "Source control";
              bookmarks = [
                {
                  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";
                }
                {
                  name = "UKAEA GitLab";
                  tags = ["git" "source" "work" "UKAEA"];
                  url = "https://git.ccfe.ac.uk";
                }
              ];
            }
            {
              name = "Work";
              bookmarks = [
                {
                  name = "Nucleus";
                  tags = ["work" "UKAEA"];
                  url = "https://nucleus.ukaea.uk";
                }
                {
                  name = "U4BW";
                  tags = ["work" "UKAEA" "admin"];
                  url = "https://ubw.unit4cloud.com/uk_aea_prod_web";
                }
                {
                  name = "Outlook";
                  tags = ["work" "UKAEA" "email"];
                  url = "https://outlook.office.com";
                }
                {
                  name = "Microsoft Teams";
                  tags = ["work" "UKAEA" "communication"];
                  url = "https://teams.microsoft.com";
                }
                {
                  name = "SharePoint";
                  tags = ["work" "UKAEA" "cloud" "storage"];
                  url = "https://ukaeauk-my.sharepoint.com/personal/evie_litherland-smith_ukaea_uk/_layouts/15/onedrive.aspx?view=0";
                }
                {
                  name = "Physics Summary";
                  tags = ["work" "UKAEA" "JET" "operations"];
                  url = "https://users.euro-fusion.org/pages/physics-summary/LatestSession.php";
                }
                {
                  name = "JET homepage";
                  tags = ["work" "UKAEA" "JET"];
                  url = "w3.jet.uk";
                }
              ];
            }
            {
              name = "Proton Mail";
              tags = ["email"];
              url = "https://mail.proton.me";
            }
            {
              name = "Nextcloud";
              tags = ["cloud" "storage" "federation" "xenia"];
              url = "https://cloud.xenia.me.uk";
            }
          ];
        }
      ];
    };
  };
}