diff --git a/homes/x86_64-linux/jo/default.nix b/homes/x86_64-linux/jo/default.nix
index 3d7ccf8..24a84b6 100644
--- a/homes/x86_64-linux/jo/default.nix
+++ b/homes/x86_64-linux/jo/default.nix
@@ -12,6 +12,19 @@
   puzzlevision = {
     themes.catppuccin.enable = true;
     apps.zed.enable = true;
+    apps.firefox = {
+      enable = true;
+      extensions = [
+        "uBlock0@raymondhill.net"
+        "ATBC@EasonWong"
+        "languagetool-webextension@languagetool.org"
+        "firefox-enpass@enpass.io"
+        "firefox@tampermonkey.net"
+        "wappalyzer@crunchlabz.com"
+        "{7a7a4a92-a2a0-41d1-9fd7-1e92480d612d}"
+        "{d49033ac-8969-488c-afb0-5cdb73957f41}"
+      ];
+    };
   };
 
   sops.secrets.wakatime-cfg = {
@@ -27,7 +40,6 @@
     enpass
 
     ## WEB
-    firefox
     ungoogled-chromium
 
     ## EDITORS
diff --git a/modules/home/apps/firefox/default.nix b/modules/home/apps/firefox/default.nix
new file mode 100644
index 0000000..1278ccc
--- /dev/null
+++ b/modules/home/apps/firefox/default.nix
@@ -0,0 +1,39 @@
+{
+  lib,
+  self,
+  config,
+  ...
+}:
+let
+  inherit (self) namespace;
+  inherit (self.lib) mkOpt;
+  inherit (lib) mkEnableOption types mkIf;
+
+  cfg = config.${namespace}.apps.firefox;
+in
+{
+  options.${namespace}.apps.firefox = {
+    enable = mkEnableOption "the Firefox browser.";
+    extensions = mkOpt (types.listOf types.str) [
+      "uBlock0@raymondhill.net"
+    ] "List of extension slugs to install";
+  };
+
+  config = mkIf cfg.enable {
+    programs.firefox = {
+      enable = true;
+      policies = {
+        ExtensionSettings = builtins.foldl' (
+          acc: id:
+          acc
+          // {
+            ${id} = {
+              install_url = "https://addons.mozilla.org/firefox/downloads/latest/${id}/latest.xpi";
+              installation_mode = "force_installed";
+            };
+          }
+        ) { } cfg.extensions;
+      };
+    };
+  };
+}