diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index 74e1765..ca3668e 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -3,7 +3,6 @@
         "pinage404.nix-extension-pack",
         "bbenoist.nix",
         "jnoortheen.nix-ide",
-        "kamadorueda.alejandra",
         "mkhl.direnv",
         "dlasagno.rasi",
         "jgclark.vscode-todo-highlight",
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 7f75e04..11da51d 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -4,7 +4,9 @@
     "nix.serverSettings": {
         "nixd": {
             "formatting": {
-                "command": ["alejandra"],
+                "command": [
+                    "nixfmt"
+                ],
             },
             "nixpkgs": {
                 "expr": "import <nixpkgs> { }"
@@ -19,18 +21,18 @@
     "[nix]": {
         "editor.insertSpaces": true,
         "editor.tabSize": 2,
-        "editor.defaultFormatter": "kamadorueda.alejandra",
+        "editor.defaultFormatter": "jnoortheen.nix-ide",
         "editor.formatOnPaste": true,
         "editor.formatOnSave": true,
         "editor.formatOnType": false
     },
     "cSpell.language": "en,pl,en-US",
-    "cSpell.enableFiletypes": [
-        "markdown",
-        "nix",
-        "yaml",
-        "yml"
-    ],
+    "cSpell.enabledFileTypes": {
+        "markdown": true,
+        "nix": true,
+        "yaml": true,
+        "yml": true
+    },
     "cSpell.words": [
         "aagl",
         "ahci",
diff --git a/flake.lock b/flake.lock
index 3b312a7..7a4d65d 100644
--- a/flake.lock
+++ b/flake.lock
@@ -206,6 +206,26 @@
         "type": "github"
       }
     },
+    "nixfmt": {
+      "inputs": {
+        "flake-utils": [
+          "flake-utils"
+        ]
+      },
+      "locked": {
+        "lastModified": 1733346278,
+        "narHash": "sha256-MoO/hSWDPMKIUMJASuYo4N7ZTRp4P1ZmDJZbt5mk834=",
+        "owner": "NixOS",
+        "repo": "nixfmt",
+        "rev": "a4639036723e510d8331124c80d9ca14dd7aba02",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixfmt",
+        "type": "github"
+      }
+    },
     "nixos-hardware": {
       "locked": {
         "lastModified": 1733217105,
@@ -323,6 +343,7 @@
         "flake-utils": "flake-utils",
         "home-manager": "home-manager",
         "nix-colors": "nix-colors",
+        "nixfmt": "nixfmt",
         "nixos-hardware": "nixos-hardware",
         "nixpkgs": "nixpkgs",
         "nostale-dev-env": "nostale-dev-env",
diff --git a/flake.nix b/flake.nix
index e1ea0ee..fee722b 100644
--- a/flake.nix
+++ b/flake.nix
@@ -43,69 +43,78 @@
       inputs.flake-utils.follows = "flake-utils";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    nixfmt = {
+      url = "github:NixOS/nixfmt";
+      inputs.flake-utils.follows = "flake-utils";
+    };
   };
 
-  outputs = {
-    self,
-    nixpkgs,
-    home-manager,
-    ...
-  } @ flakeInputs: let
-    system = "x86_64-linux";
-    username = "zakuciael";
+  outputs =
+    {
+      self,
+      nixpkgs,
+      home-manager,
+      ...
+    }@flakeInputs:
+    let
+      system = "x86_64-linux";
+      username = "zakuciael";
 
-    pkgs = import inputs.nixpkgs {
-      inherit system;
-      config = {
-        allowUnfree = true;
-        permittedInsecurePackages = [];
-      };
+      pkgs = import inputs.nixpkgs {
+        inherit system;
+        config = {
+          allowUnfree = true;
+          permittedInsecurePackages = [ ];
+        };
 
-      overlays = lib.my.overlays.pkgs ++ lib.singleton (inputs.aagl.overlays.default);
-    };
+        overlays = lib.my.overlays.pkgs ++ lib.singleton (inputs.aagl.overlays.default);
+      };
 
-    inputs =
-      flakeInputs
-      // {
+      inputs = flakeInputs // {
         distro-grub-themes = flakeInputs.distro-grub-themes.packages.${system};
         rofi-jetbrains = flakeInputs.rofi-jetbrains.packages.${system};
-        nostale-dev-env =
-          flakeInputs.nostale-dev-env
-          // {packages = flakeInputs.nostale-dev-env.packages.${system};};
-        catppuccin =
-          flakeInputs.catppuccin
-          // {
-            homeManagerModule = flakeInputs.catppuccin.homeManagerModules.catppuccin;
-            nixosModules =
-              flakeInputs.catppuccin.nixosModules
-              // {
-                default = flakeInputs.catppuccin.nixosModules.catppuccin;
-              };
-          };
-        aagl = flakeInputs.aagl // {packages = flakeInputs.aagl.packages.${system};};
-        vscode-server =
-          flakeInputs.vscode-server
-          // {
-            homeManagerModule = flakeInputs.vscode-server.homeModules.default;
+        nostale-dev-env = flakeInputs.nostale-dev-env // {
+          packages = flakeInputs.nostale-dev-env.packages.${system};
+        };
+        catppuccin = flakeInputs.catppuccin // {
+          homeManagerModule = flakeInputs.catppuccin.homeManagerModules.catppuccin;
+          nixosModules = flakeInputs.catppuccin.nixosModules // {
+            default = flakeInputs.catppuccin.nixosModules.catppuccin;
           };
+        };
+        aagl = flakeInputs.aagl // {
+          packages = flakeInputs.aagl.packages.${system};
+        };
+        vscode-server = flakeInputs.vscode-server // {
+          homeManagerModule = flakeInputs.vscode-server.homeModules.default;
+        };
+        nixfmt = flakeInputs.nixfmt.packages.${system};
       };
 
-    lib = nixpkgs.lib.extend (self: super: {
-      hm = home-manager.lib.hm;
-      my = import ./lib {
-        inherit lib pkgs inputs username system;
-      };
-    });
-  in {
-    nixosConfigurations = let
-      inherit (lib.my.hosts) mkHost;
-      hosts = builtins.readDir ./hosts;
-      mappedHosts = builtins.mapAttrs (n: v: mkHost {name = n;}) hosts;
+      lib = nixpkgs.lib.extend (
+        self: super: {
+          hm = home-manager.lib.hm;
+          my = import ./lib {
+            inherit
+              lib
+              pkgs
+              inputs
+              username
+              system
+              ;
+          };
+        }
+      );
     in
-      mappedHosts;
+    {
+      nixosConfigurations =
+        let
+          inherit (lib.my.hosts) mkHost;
+        in
+        builtins.readDir ./hosts |> builtins.mapAttrs (name: _: mkHost { inherit name; });
 
-    devShells.${system}.default = pkgs.callPackage ./shell.nix {};
+      devShells.${system}.default = pkgs.callPackage ./shell.nix { };
 
-    inherit pkgs inputs lib;
-  };
+      inherit pkgs inputs lib;
+    };
 }
diff --git a/modules/desktop/apps.nix b/modules/desktop/apps.nix
index c15c677..e3a1fad 100644
--- a/modules/desktop/apps.nix
+++ b/modules/desktop/apps.nix
@@ -1,18 +1,12 @@
-{
-  config,
-  lib,
-  pkgs,
-  inputs,
-  username,
-  ...
-}:
+{ config, lib, pkgs, inputs, username, ... }:
 with lib;
-with builtins; let
+with builtins;
+let
   cfg = config.modules.desktop.apps;
   mkAutostartModules = programs:
     builtins.listToAttrs (builtins.map (desktop: {
       name = desktop;
-      value = {autostartPrograms = programs;};
+      value = { autostartPrograms = programs; };
     }) (builtins.attrNames config.modules.desktop.wm));
 in {
   options.modules.desktop.apps = {
@@ -27,7 +21,7 @@ in {
       home.packages = with pkgs; [
         # Nix
         nixd
-        alejandra
+        inputs.nixfmt.default
 
         # Browser
         google-chrome