diff --git a/flake.lock b/flake.lock
index c6e9d892..c8c4886f 100644
--- a/flake.lock
+++ b/flake.lock
@@ -26,6 +26,26 @@
         "type": "github"
       }
     },
+    "betterfox-nix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1731153579,
+        "narHash": "sha256-9mNttz8Az2gOUHD2mOKiY1Fv2FHNxcQpu+FwfA1l1aM=",
+        "owner": "HeitorAugustoLN",
+        "repo": "betterfox-nix",
+        "rev": "4746610b0ab006aefa732e727048e330d19e4f81",
+        "type": "github"
+      },
+      "original": {
+        "owner": "HeitorAugustoLN",
+        "repo": "betterfox-nix",
+        "type": "github"
+      }
+    },
     "cities-json": {
       "flake": false,
       "locked": {
@@ -964,6 +984,7 @@
     "root": {
       "inputs": {
         "agenix": "agenix",
+        "betterfox-nix": "betterfox-nix",
         "cities-json": "cities-json",
         "colmena": "colmena",
         "composer2nix": "composer2nix",
diff --git a/flake.nix b/flake.nix
index 0be31aa4..2d64efbf 100644
--- a/flake.nix
+++ b/flake.nix
@@ -19,6 +19,10 @@
       inputs.home-manager.follows = "home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    betterfox-nix = {
+      url = "github:HeitorAugustoLN/betterfox-nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
     cities-json = {
       url = "github:lutangar/cities.json";
       flake = false;
diff --git a/nixos/client-apps/firefox.nix b/nixos/client-apps/firefox.nix
index 38007ca4..9bf6c18c 100644
--- a/nixos/client-apps/firefox.nix
+++ b/nixos/client-apps/firefox.nix
@@ -1,4 +1,9 @@
-{ pkgs, lib, ... }:
+{
+  pkgs,
+  lib,
+  inputs,
+  ...
+}:
 let
   extensions = with pkgs.nur.repos.rycee.firefox-addons; [
     bitwarden
@@ -32,6 +37,40 @@ let
     wappalyzer
     wayback-machine
   ];
+
+  loadBetterfox =
+    path:
+    let
+      autogen = lib.importJSON (inputs.betterfox-nix + "/autogen/firefox/main.json");
+      settings = lib.attrByPath (lib.splitString "." "${path}.settings") null autogen;
+    in
+    builtins.listToAttrs (builtins.filter (v: v.enabled) settings);
+
+  betterfoxConfig = builtins.foldl' (a: b: a // loadBetterfox b) { } [
+    "fastfox.general"
+    "fastfox.gfx"
+    "fastfox.disk-cache"
+    "fastfox.media-cache"
+    "fastfox.image-cache"
+    "fastfox.network"
+    "fastfox.speculative-loading"
+    "fastfox.experimental"
+    "securefox.ocsp-and-certs-with-hpkp"
+    "securefox.ssl-with-tls"
+    "securefox.disk-avoidance"
+    "securefox.https-first-policy"
+    "securefox.mixed-content-plus-cross-site"
+    "securefox.headers-with-referers"
+    "securefox.safe-browsing"
+    "securefox.telemetry"
+    "securefox.experiments"
+    "securefox.crash-reports"
+    "peskyfox.mozilla-ui"
+    "peskyfox.url-bar"
+    "peskyfox.new-tab-page"
+    "peskyfox.pocket"
+    "peskyfox.downloads"
+  ];
 in
 {
   environment.systemPackages = [
@@ -140,7 +179,7 @@ in
         ) extensions
       );
     };
-    preferences = {
+    preferences = betterfoxConfig // {
       "browser.aboutConfig.showWarning" = false;
       "gfx.webrender.all" = true;
       "gfx.webrender.compositor.force-enabled" = true;