@@ -0,0 +1,77 @@
+{
+  lib,
+  pkgs,
+  ...
+}:
+{
+  programs.chromium = lib.mkIf pkgs.stdenv.isLinux {
+    enable = true;
+    package = pkgs.ungoogled-chromium;
+    extensions = [
+      # # uBlock origin
+      { id = "cjpalhdlnbpafiamejdnhcphjbkeiagm"; }
+      {
+        id = "ocaahdebbfolfmndjeplogmgcagdmblk";
+        updateUrl = "https://raw.githubusercontent.com/NeverDecaf/chromium-web-store/master/updates.xml";
+      }
+    ];
+    dictionaries = with pkgs.hunspellDictsChromium; [
+      en-gb
+      de-de
+    ];
+  };
+  programs.firefox = {
+    enable = pkgs.stdenv.isLinux;
+    package = pkgs.firefox-devedition;
+    profiles.dev-edition-default = {
+      search.default = "ddg";
+      settings = {
+        "browser.aboutConfig.showWarning" = false;
+        "browser.theme.content-theme" = 1;
+        "browser.theme.toolbar-theme" = 1;
+        "browser.tabs.firefox-view" = false;
+        "extensions.activeThemeID" = "firefox-compact-light@mozilla.org";
+      };
+    };
+    policies = {
+      AutoFillCreditCardEnabled = false;
+      CaptivePortal = false;
+      Cookies = {
+        Behavior = "reject-foreign";
+      };
+      SanitizeOnShutdown = {
+        Cache = true;
+        Cookies = true;
+        FormData = true;
+      };
+      DisableFirefoxAccounts = true;
+      DisableFirefoxScreenShots = true;
+      DisableFirefoxStudies = true;
+      DisableMasterPasswordCreation = true;
+      DisablePasswordReveal = true;
+      DisablePocket = true;
+      DisableTelemetry = true;
+      DNSOverHTTPS.Enabled = false;
+      DontCheckDefaultBrowser = true;
+      EnableTrackingProtection = true;
+      GoToIntranetSiteForSingleWordEntryInAddressBar = true;
+      Homepage.URL = "http://localhost:7331";
+      NewTabPage = false;
+      NoDefaultBookmarks = true;
+      OfferToSaveLogins = false;
+      OverrideFirstRunPage = "";
+      OverridePostUpdatePage = "";
+      PasswordManagerEnabled = false;
+      PrintingEnabled = false;
+      SearchBar = "separate";
+      ShowHomeButton = true;
+      UserMessaging = {
+        ExtensionRecommendations = false;
+        FeatureRecommendations = false;
+        UrlbarInterventions = false;
+        SkipOnboarding = true;
+        MoreFromMozilla = false;
+      };
+    };
+  };
+}