diff --git a/homes/aarch64-darwin/harald@rialo/default.nix b/homes/aarch64-darwin/harald@rialo/default.nix
index 02f2130..793071b 100644
--- a/homes/aarch64-darwin/harald@rialo/default.nix
+++ b/homes/aarch64-darwin/harald@rialo/default.nix
@@ -32,6 +32,10 @@
         enable = true;
         userEmail = "harald@subzero.xyz";
       };
+      wezterm = {
+        enable = true;
+        term = "xterm-256color";
+      };
     };
   };
 
diff --git a/homes/x86_64-linux/harald@amd/default.nix b/homes/x86_64-linux/harald@amd/default.nix
index 9f5f8e1..088b662 100644
--- a/homes/x86_64-linux/harald@amd/default.nix
+++ b/homes/x86_64-linux/harald@amd/default.nix
@@ -20,6 +20,10 @@
     };
     tools = {
       git.enable = true;
+      wezterm = {
+        enable = true;
+        backgroundImage = ./terminal-background.png;
+      };
     };
     gui.kbd.ellipsis = true;
   };
@@ -71,18 +75,4 @@
 
   xdg.enable = true;
   xdg.mime.enable = true;
-
-  xdg.configFile."wezterm/wezterm.lua".text = ''
-    local wezterm = require("wezterm")
-    local config = wezterm.config_builder()
-    local act = wezterm.action
-
-    config.enable_kitty_keyboard = true
-    config.enable_scroll_bar = true
-    config.window_background_image = '${./terminal-background.png}'
-
-    config.term = 'wezterm'
-
-    return config
-  '';
 }
diff --git a/homes/x86_64-linux/harald@halo/default.nix b/homes/x86_64-linux/harald@halo/default.nix
index 9f5f8e1..088b662 100644
--- a/homes/x86_64-linux/harald@halo/default.nix
+++ b/homes/x86_64-linux/harald@halo/default.nix
@@ -20,6 +20,10 @@
     };
     tools = {
       git.enable = true;
+      wezterm = {
+        enable = true;
+        backgroundImage = ./terminal-background.png;
+      };
     };
     gui.kbd.ellipsis = true;
   };
@@ -71,18 +75,4 @@
 
   xdg.enable = true;
   xdg.mime.enable = true;
-
-  xdg.configFile."wezterm/wezterm.lua".text = ''
-    local wezterm = require("wezterm")
-    local config = wezterm.config_builder()
-    local act = wezterm.action
-
-    config.enable_kitty_keyboard = true
-    config.enable_scroll_bar = true
-    config.window_background_image = '${./terminal-background.png}'
-
-    config.term = 'wezterm'
-
-    return config
-  '';
 }
diff --git a/modules/home/tools/wezterm/default.nix b/modules/home/tools/wezterm/default.nix
new file mode 100644
index 0000000..56c66ef
--- /dev/null
+++ b/modules/home/tools/wezterm/default.nix
@@ -0,0 +1,46 @@
+{
+  lib,
+  config,
+  ...
+}:
+
+let
+  inherit (lib)
+    types
+    mkEnableOption
+    mkIf
+    optionalString
+    boolToString
+    ;
+  inherit (lib.metacfg) mkOpt mkBoolOpt;
+
+  cfg = config.metacfg.tools.wezterm;
+in
+{
+  options.metacfg.tools.wezterm = {
+    enable = mkEnableOption "wezterm config";
+    fontSize = mkOpt types.int 14 "Font size for wezterm.";
+    enableKittyKeyboard = mkBoolOpt true "Enable the kitty keyboard protocol.";
+    enableScrollBar = mkBoolOpt true "Enable the scroll bar.";
+    backgroundImage = mkOpt (types.nullOr types.path) null "Path to a window background image.";
+    term = mkOpt types.str "wezterm" "Value to set for `config.term`.";
+    extraConfig = mkOpt types.lines "" "Extra Lua appended before `return config`.";
+  };
+
+  config = mkIf cfg.enable {
+    xdg.configFile."wezterm/wezterm.lua".text = ''
+      local wezterm = require("wezterm")
+      local config = wezterm.config_builder()
+
+      config.enable_kitty_keyboard = ${boolToString cfg.enableKittyKeyboard}
+      config.enable_scroll_bar = ${boolToString cfg.enableScrollBar}
+      ${optionalString (
+        cfg.backgroundImage != null
+      ) "config.window_background_image = '${cfg.backgroundImage}'"}
+      config.font_size = ${toString cfg.fontSize}
+      config.term = '${cfg.term}'
+      ${cfg.extraConfig}
+      return config
+    '';
+  };
+}