{pkgs, ...}: {
  programs = {
    browserpass = {
      enable = true;
      browsers = ["firefox"];
    };
    firefox = {
      enable = true;
      policies = {
        BlockAboutProfiles = true;
        Cookies = {
          Behavior = "reject-tracker-and-partition-foreign";
          BehaviorPrivateBrowsing = "reject";
          Locked = true;
        };
        DefaultDownloadDirectory = "\${home}/Downloads";
        DisableAppUpdate = true;
        DisableFirefoxAccounts = true;
        DisableFirefoxScreenshots = true;
        DisableFirefoxStudies = true;
        DisableFormHistory = true;
        DisablePocket = true;
        DisableProfileImport = true;
        DisableSetDesktopBackground = true;
        DisableSystemAddonUpdate = true;
        DisableTelemetry = true;
        DisplayMenuBar = "default-off";
        DontCheckDefaultBrowser = true;
        EnableTrackingProtection = {
          Value = true;
          Locked = true;
          Cryptomining = true;
          Fingerprinting = true;
        };
        ExtensionSettings = {
          "queryamoid@kaply.com" = {
            installation_mode = "force_installed";
            install_url = "https://github.com/mkaply/queryamoid/releases/download/v0.1/query_amo_addon_id-0.1-fx.xpi";
          };
          "uBlock0@raymondhill.net" = {
            installation_mode = "force_installed";
            install_url = "https://addons.mozilla.org/firefox/downloads/latest/ublock-origin/latest.xpi";
          };
          "browserpass@maximbaz.com" = {
            installation_mode = "force_installed";
            install_url = "https://addons.mozilla.org/firefox/downloads/latest/browserpass-ce/latest.xpi";
          };
          "addon@simplelogin" = {
            installation_mode = "force_installed";
            install_url = "https://addons.mozilla.org/firefox/downloads/latest/simplelogin/latest.xpi";
          };
        };
        FirefoxHome = {
          Search = true;
          TopSites = false;
          SponsoredTopSites = false;
          Highlights = false;
          Pocket = false;
          SponsoredPocket = false;
          Snippets = false;
          Locked = true;
        };
        FirefoxSuggest = {
          WebSuggestions = false;
          SponsoredSuggestions = false;
          ImproveSuggest = false;
          Locked = true;
        };
        HardwareAcceleration = true;
        Homepage = {
          Locked = true;
          StartPage = "homepage-locked";
        };
        NewTabPage = true;
        NoDefaultBookmarks = false;
        OfferToSaveLogins = false;
        PasswordManagerEnabled = false;
        PDFjs = {Enabled = false;};
        Permissions = {
          Autoplay = {
            Default = "block-audio-video";
          };
        };
        PictureInPicture = {Enabled = true;};
        PopupBlocking = {Default = true;};
        RequestedLocales = ["en-GB"];
        SearchBar = "unified";
        ShowHomeButton = true;
        StartDownloadsInTempDirectory = true;
      };
      profiles.default = {
        bookmarks = builtins.fromJSON (builtins.readFile ./bookmarks.json);
        settings = {
          "app.shield.optoutstudies.enabled" = false;
          "browser.bookmarks.addedImportButton" = false;
          "browser.bookmarks.showMobileBookmarks" = false;
          "browser.toolbars.bookmarks.visibility" = "never";
          "browser.contentblocking.category" = "strict";
          "browser.search.region" = "GB";
          "browser.search.isUS" = false;
          "browser.warnOnQuitShortcut" = false;
          "browser.zoom.siteSpecific" = false;
          "distribution.searchplugins.defaultLocale" = "en-GB";
          "doh-rollout.home-region" = "GB";
          "extensions.activeThemeID" = "default-theme@mozilla.org";
          "extensions.formautofill.creditCards.enabled" = false;
          "general.useragent.locale" = "en-GB";
          "intl.accept_languages" = "en-gb,en";
          "intl.locale.requested" = "en-gb,en";
          "intl.regional_prefs.use_os_locales" = true;
          "media.eme.enabled" = true;
          "privacy.webrtc.legacyGlobalIndicator" = false;
          "signon.management.page.breach-alerts.enabled" = false;
          "signon.rememberSignons" = false;
          "widget.use-xdg-desktop-portal.file-picker" = 1;
          "widget.use-xdg-desktop-portal.mime-handler" = 1;
          "widget.use-xdg-desktop-portal.open-uri" = 1;
          "browser.newtabpage.pinned" = [
            {
              title = "NixOS Wiki";
              url = "https://wiki.nixos.org";
            }
            {
              title = "Arch Wiki";
              url = "https://wiki.archlinux.org";
            }
          ];
        };
        search = rec {
          default = "DuckDuckGo";
          privateDefault = default;
          force = true;
          order = ["DuckDuckGo" "Atlas SearXNG"];
          engines = {
            "Atlas SearXNG" = {
              urls = [{template = "https://search.atlas.engineer/searxng/search?q={searchTerms}";}];
              definedAliases = ["@atlas"];
            };
            "NixOS Wiki" = {
              urls = [{template = "https://wiki.nixos.org/w/index.php?search={searchTerms}";}];
              icon = "${pkgs.nixos-icons}/share/icons/hicolor/scalable/apps/nix-snowflake.svg";
              definedAliases = ["@nix" "@nixos" "@nixoswiki"];
            };
            "Arch Wiki" = {
              urls = [{template = "https://wiki.archlinux.org/index.php?search={searchTerms}";}];
              definedAliases = ["@aw" "@arch" "@archwiki"];
            };
            "GitHub" = {
              urls = [{template = "https://github.com/search?q={searchTerms}";}];
              definedAliases = ["@gh" "@git" "@github"];
            };
            "FlatHub" = {
              url = [{template = "https://flathub.org/apps/search?q={searchTerms}";}];
              definedAliases = ["@flat" "@fthub" "@flathub"];
            };
            "NixOS Packages" = {
              urls = [{template = "http://search.nixos.org/packages?channel=unstable&size=50&sort=relevance&type=packages&query={searchTerms}";}];
              icon = "${pkgs.nixos-icons}/share/icons/hicolor/scalable/apps/nix-snowflake.svg";
              definedAliases = ["@nixpkgs"];
            };
            "PyPI packages" = {
              urls = [{template = "https://pypi.org/search/?q={searchTerms}";}];
              definedAliases = ["@pypi"];
            };
          };
        };
      };
    };
  };
}