diff --git a/flake.lock b/flake.lock
index 0f95089..90bea69 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1,5 +1,21 @@
 {
   "nodes": {
+    "betterfox": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1716574980,
+        "narHash": "sha256-i6fxW6hOOUWjWJ7lhX5qjEh9tyE2JyD6vwPEsfov7fY=",
+        "owner": "yokoffing",
+        "repo": "Betterfox",
+        "rev": "9756922ee951f9c0dd09f1e7037b93089a661963",
+        "type": "github"
+      },
+      "original": {
+        "owner": "yokoffing",
+        "repo": "Betterfox",
+        "type": "github"
+      }
+    },
     "disko": {
       "inputs": {
         "nixpkgs": [
@@ -20,6 +36,29 @@
         "type": "github"
       }
     },
+    "firefox-addons": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "dir": "pkgs/firefox-addons",
+        "lastModified": 1717098199,
+        "narHash": "sha256-yYUDGNSjB9F2Nz6/sU7J10Ts5fGXPmRLJam54WbMVsM=",
+        "owner": "rycee",
+        "repo": "nur-expressions",
+        "rev": "968544b6ed405daaf1469de42fd00e4f53ab255e",
+        "type": "gitlab"
+      },
+      "original": {
+        "dir": "pkgs/firefox-addons",
+        "owner": "rycee",
+        "repo": "nur-expressions",
+        "type": "gitlab"
+      }
+    },
     "flake-compat": {
       "flake": false,
       "locked": {
@@ -37,6 +76,21 @@
       }
     },
     "flake-utils": {
+      "locked": {
+        "lastModified": 1629284811,
+        "narHash": "sha256-JHgasjPR0/J1J3DRm4KxM4zTyAj4IOJY8vIl75v/kPI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "c5d161cc0af116a2e17f54316f0bf43f0819785c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
       "inputs": {
         "systems": "systems"
       },
@@ -97,7 +151,7 @@
     "nix-vscode-extensions": {
       "inputs": {
         "flake-compat": "flake-compat",
-        "flake-utils": "flake-utils",
+        "flake-utils": "flake-utils_2",
         "nixpkgs": [
           "nixpkgs"
         ]
@@ -150,7 +204,9 @@
     },
     "root": {
       "inputs": {
+        "betterfox": "betterfox",
         "disko": "disko",
+        "firefox-addons": "firefox-addons",
         "home-manager": "home-manager",
         "nix-index-database": "nix-index-database",
         "nix-vscode-extensions": "nix-vscode-extensions",
diff --git a/flake.nix b/flake.nix
index d687b5b..522a54e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -31,6 +31,16 @@
       url = "github:nix-community/nix-vscode-extensions";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+
+    firefox-addons = {
+      url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
+    betterfox = {
+      url = "github:yokoffing/Betterfox";
+      flake = false;
+    };
   };
 
   outputs =
diff --git a/wrappers/firefox/default.nix b/wrappers/firefox/default.nix
new file mode 100644
index 0000000..9747b1d
--- /dev/null
+++ b/wrappers/firefox/default.nix
@@ -0,0 +1,10 @@
+{ assembleWrapper, moduleArgs, ... }:
+let
+  inherit (moduleArgs) pkgs;
+in
+assembleWrapper {
+  basePackage = pkgs.wrapFirefox pkgs.firefox-unwrapped {
+    extraPolicies.ExtensionSettings = import ./extensions.nix { inherit moduleArgs; };
+    extraPrefs = import ./preferences.nix { inherit moduleArgs; };
+  };
+}
diff --git a/wrappers/firefox/extensions.nix b/wrappers/firefox/extensions.nix
new file mode 100644
index 0000000..127f8d3
--- /dev/null
+++ b/wrappers/firefox/extensions.nix
@@ -0,0 +1,26 @@
+{ moduleArgs, ... }:
+let
+  inherit (moduleArgs) lib inputs;
+  
+  extension = shortId: uuid: {
+    name = uuid;
+    value = {
+      install_url = "file:///${
+        inputs.firefox-addons.packages.x86_64-linux.${shortId}
+      }/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}/${uuid}.xpi";
+      installation_mode = "force_installed";
+      default_area = "menupanel";
+    };
+  };
+in
+{
+  "*".installation_mode = "blocked";
+}
+// lib.listToAttrs [
+  (extension "dictionary-german" "de-DE@dictionaries.addons.mozilla.org")
+  (extension "ublock-origin" "uBlock0@raymondhill.net")
+  (extension "bitwarden" "{446900e4-71c2-419f-a6a7-df9c091e268b}")
+  (extension "return-youtube-dislikes" "{762f9885-5a13-4abd-9c77-433dcd38b8fd}")
+  (extension "sponsorblock" "sponsorBlocker@ajay.app")
+  (extension "clearurls" "{74145f27-f039-47ce-a470-a662b129930a}")
+]
diff --git a/wrappers/firefox/preferences.nix b/wrappers/firefox/preferences.nix
new file mode 100644
index 0000000..4c84b36
--- /dev/null
+++ b/wrappers/firefox/preferences.nix
@@ -0,0 +1,26 @@
+{ moduleArgs, ... }:
+let
+  inherit (moduleArgs) lib inputs;
+  
+  escapedUiState =
+    builtins.replaceStrings [ ''"'' ] [ ''\"'' ]
+      ''{"placements":{"widget-overflow-fixed-list":[],"unified-extensions-area":["_762f9885-5a13-4abd-9c77-433dcd38b8fd_-browser-action","_74145f27-f039-47ce-a470-a662b129930a_-browser-action","sponsorblocker_ajay_app-browser-action","_446900e4-71c2-419f-a6a7-df9c091e268b_-browser-action","ublock0_raymondhill_net-browser-action"],"nav-bar":["back-button","forward-button","stop-reload-button","customizableui-special-spring1","urlbar-container","customizableui-special-spring2","save-to-pocket-button","downloads-button","fxa-toolbar-menu-button","unified-extensions-button","sidebar-button"],"toolbar-menubar":["menubar-items"],"TabsToolbar":["firefox-view-button","tabbrowser-tabs","new-tab-button","alltabs-button"],"PersonalToolbar":["personal-bookmarks"]},"seen":["developer-button","_762f9885-5a13-4abd-9c77-433dcd38b8fd_-browser-action","_74145f27-f039-47ce-a470-a662b129930a_-browser-action","sponsorblocker_ajay_app-browser-action","_446900e4-71c2-419f-a6a7-df9c091e268b_-browser-action","ublock0_raymondhill_net-browser-action"],"dirtyAreaCache":["nav-bar","unified-extensions-area","PersonalToolbar","toolbar-menubar","TabsToolbar"],"currentVersion":20,"newElementCount":4}'';
+in
+lib.concatLines [
+  (builtins.replaceStrings [ "user_pref" ] [ "pref" ] (
+    builtins.readFile "${inputs.betterfox}/user.js"
+  ))
+  ''
+    pref("intl.accept_languages", "en-us,en,de-de,de");
+    pref("browser.uiCustomization.state", "${escapedUiState}")
+    pref("sidebar.position_start", false);
+    pref("browser.toolbars.bookmarks.visibility", "always");
+    pref("browser.bookmarks.restore_default_bookmarks", false);
+    pref("browser.bookmarks.file", "");
+    pref("media.videocontrols.picture-in-picture.video-toggle.enabled", false);
+    pref("general.autoScroll", true);
+    pref("middlemouse.paste", false);
+    pref("signon.rememberSignons", false);
+    pref("extensions.formautofill.creditCards.enabled", false);
+  ''
+]