diff --git a/flake.lock b/flake.lock
index 1c4ea75..18f42a0 100644
--- a/flake.lock
+++ b/flake.lock
@@ -175,6 +175,28 @@
         "type": "github"
       }
     },
+    "firefox-addons": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "dir": "pkgs/firefox-addons",
+        "lastModified": 1774065775,
+        "narHash": "sha256-anJXbdfZMhXWjHSfB5v6e8+yv1ASTHM4TwikH8tloMI=",
+        "owner": "rycee",
+        "repo": "nur-expressions",
+        "rev": "4b3bbb9dc3c80d1b62228c9a2ca0bef74a24a192",
+        "type": "gitlab"
+      },
+      "original": {
+        "dir": "pkgs/firefox-addons",
+        "owner": "rycee",
+        "repo": "nur-expressions",
+        "type": "gitlab"
+      }
+    },
     "flake-compat": {
       "flake": false,
       "locked": {
@@ -695,6 +717,7 @@
         "deploy-rs": "deploy-rs",
         "disko": "disko",
         "emacs-overlay": "emacs-overlay",
+        "firefox-addons": "firefox-addons",
         "home-manager": "home-manager",
         "impermanence": "impermanence",
         "jovian-nixos": "jovian-nixos",
diff --git a/flake.nix b/flake.nix
index 9067437..67720b7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -33,6 +33,11 @@
       inputs.home-manager.follows = "home-manager";
     };
 
+    firefox-addons = {
+      url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
     niri = {
       url = "github:sodiboo/niri-flake";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -132,6 +137,9 @@
                 {
                   # home-manager.useGlobalPkgs = true;
                   home-manager.useUserPackages = true;
+                  home-manager.sharedModules = [
+                    inputs.zen-browser.homeModules.twilight
+                  ];
                   home-manager.extraSpecialArgs = {
                     inherit
                       inputs
diff --git a/home-manager/gui.nix b/home-manager/gui.nix
index 471c730..40b5b94 100644
--- a/home-manager/gui.nix
+++ b/home-manager/gui.nix
@@ -2,6 +2,7 @@
   pkgs,
   lib,
   inputs,
+  config,
   ...
 }:
 {
@@ -12,6 +13,7 @@
     ./progs/emacs.nix
     # ./progs/trezor.nix # - broken
     ./progs/flatpak.nix
+    ./progs/zen
   ];
 
   nixpkgs.config.allowUnfreePredicate =
@@ -34,7 +36,6 @@
       # browsers
       [
         tor-browser
-        inputs.zen-browser.packages."${system}".twilight
         grayjay
       ]
 
@@ -171,7 +172,6 @@
   };
 
   home.sessionVariables = {
-    BROWSER = "zen";
     LD_LIBRARY_PATH = "${pkgs.lib.makeLibraryPath [
       pkgs.stdenv.cc.cc
     ]}";
diff --git a/home-manager/progs/zen/dark-reader.nix b/home-manager/progs/zen/dark-reader.nix
new file mode 100644
index 0000000..4c6678c
--- /dev/null
+++ b/home-manager/progs/zen/dark-reader.nix
@@ -0,0 +1,164 @@
+# Dark Reader extension settings
+# Addon ID: addon@darkreader.org
+{ lib }:
+let
+  defaultTheme = {
+    mode = 1;
+    brightness = 100;
+    contrast = 100;
+    grayscale = 0;
+    sepia = 0;
+    useFont = false;
+    fontFamily = "Open Sans";
+    textStroke = 0;
+    engine = "dynamicTheme";
+    stylesheet = "";
+    darkSchemeBackgroundColor = "#181a1b";
+    darkSchemeTextColor = "#e8e6e3";
+    lightSchemeBackgroundColor = "#dcdad7";
+    lightSchemeTextColor = "#181a1b";
+    scrollbarColor = "";
+    selectionColor = "auto";
+    styleSystemControls = false;
+    lightColorScheme = "Default";
+    darkColorScheme = "Default";
+    immediateModify = false;
+  };
+
+  mkCustomTheme =
+    {
+      url,
+      engine ? defaultTheme.engine,
+      builtIn ? false,
+    }:
+    {
+      inherit url;
+      theme = defaultTheme // {
+        inherit engine;
+      };
+    }
+    // lib.optionalAttrs builtIn { inherit builtIn; };
+in
+{
+  force = true;
+  settings = {
+    enabled = true;
+    fetchNews = true;
+    syncSettings = true;
+    syncSitesFixes = false;
+    changeBrowserTheme = false;
+    enabledByDefault = false;
+    enableForPDF = true;
+    enableForProtectedPages = false;
+    enableContextMenus = false;
+    detectDarkTheme = true;
+    previewNewDesign = false;
+    previewNewestDesign = false;
+
+    theme = defaultTheme;
+
+    enabledFor = [
+      "search.nixos.org"
+      "quizlet.com"
+      "claude.ai"
+    ];
+
+    disabledFor = [
+      "cinny.envs.net"
+      "element.envs.net"
+      "mail.proton.me"
+      "mail.google.com"
+      "www.gardling.com"
+      "projects.fivethirtyeight.com"
+      "secure.bankofamerica.com"
+      "billpay-ui.bankofamerica.com"
+      "plus.pearson.com"
+      "immich.gardling.com"
+      "huggingface.co"
+      "session.masteringphysics.com"
+      "brainly.com"
+      "www.270towin.com"
+      "phet.colorado.edu"
+      "8042-1.portal.athenahealth.com"
+      "torrent.gardling.com"
+      "nssb-p.adm.fit.edu"
+      "mail.openbenchmarking.org"
+      "moneroocean.stream"
+      "app.diagrams.net"
+      "books.gw-project.org"
+      "chat.deepseek.com"
+      "n21.ultipro.com"
+      "www.egaroucid.nyanyan.dev"
+      "bitmagnet.gardling.com"
+      "frame.work"
+      "www.altcancer.net"
+      "jenkins.jpenilla.xyz"
+      "soulseek.gardling.com"
+      "discord.com"
+      "www.lufthansa.com"
+      "surveys.hyundaicx.com"
+      "www.apple.com"
+      "docs.google.com"
+      "marcuspork.com"
+      "en.akinator.com"
+      "www.reddit.com"
+      "terra.layoutit.com"
+      "www.ebay.com"
+      "www.nytimes.com"
+      "app.electricitymaps.com"
+      "www.revoy.com"
+      "kagi.com"
+      "www.bhphotovideo.com"
+      "survey.stackoverflow.co"
+      "www.google.com"
+      "en.wikipedia.org"
+      "workforcenow.adp.com"
+      "app.element.io"
+      "www.desmos.com"
+      "en.wiktionary.org"
+      "dariandean0.github.io"
+    ];
+
+    customThemes = [
+      (mkCustomTheme {
+        url = [ "*.officeapps.live.com" ];
+        engine = "cssFilter";
+        builtIn = true;
+      })
+      (mkCustomTheme {
+        url = [ "*.sharepoint.com" ];
+        engine = "cssFilter";
+        builtIn = true;
+      })
+      (mkCustomTheme {
+        url = [ "docs.google.com" ];
+        engine = "cssFilter";
+        builtIn = true;
+      })
+      (mkCustomTheme {
+        url = [ "onedrive.live.com" ];
+        engine = "cssFilter";
+        builtIn = true;
+      })
+      (mkCustomTheme {
+        url = [ "huggingface.co" ];
+        engine = "svgFilter";
+      })
+      (mkCustomTheme {
+        url = [ "www.last.fm" ];
+        engine = "svgFilter";
+      })
+    ];
+
+    automation = {
+      enabled = false;
+      mode = "";
+      behavior = "OnOff";
+    };
+
+    time = {
+      activation = "18:00";
+      deactivation = "9:00";
+    };
+  };
+}
diff --git a/home-manager/progs/zen/default.nix b/home-manager/progs/zen/default.nix
new file mode 100644
index 0000000..e1d5bfb
--- /dev/null
+++ b/home-manager/progs/zen/default.nix
@@ -0,0 +1,75 @@
+{
+  pkgs,
+  lib,
+  inputs,
+  config,
+  ...
+}:
+let
+  firefox-addons = inputs.firefox-addons.packages.${pkgs.stdenv.hostPlatform.system};
+  buildFirefoxXpiAddon =
+    inputs.firefox-addons.lib.${pkgs.stdenv.hostPlatform.system}.buildFirefoxXpiAddon;
+
+  hacker-smacker = buildFirefoxXpiAddon {
+    pname = "hacker-smacker";
+    version = "2.2";
+    addonId = "jid1-eo0mcXLTqCkaWA@jetpack";
+    url = "https://addons.mozilla.org/firefox/downloads/file/4715262/hacker_smacker-2.2.xpi";
+    sha256 = "d28f0597d5c4bae5db712b4875f4104120f7e55e5ea769c44d70996be31cc0d1";
+    meta = with lib; {
+      homepage = "https://www.hackersmacker.org";
+      description = "Highlight (friend) and filter (foe) individual authors on Hacker News";
+      license = licenses.mit;
+      platforms = platforms.all;
+    };
+  };
+
+  ublockSettings = import ./ublock.nix { inherit lib; };
+  darkReaderSettings = import ./dark-reader.nix { inherit lib; };
+in
+{
+  programs.zen-browser = {
+    enable = true;
+    profiles.default = {
+      isDefault = true;
+
+      extensions = {
+        force = true;
+
+        packages =
+          (with firefox-addons; [
+            bitwarden
+            buster-captcha-solver
+            consent-o-matic
+            darkreader
+            fastforwardteam
+            localcdn
+            refined-github
+            return-youtube-dislikes
+            search-by-image # reverse image search
+            ruffle_rs
+            snowflake
+            steam-database
+            ublock-origin
+          ])
+          ++ [ hacker-smacker ];
+
+        settings = {
+          "uBlock0@raymondhill.net" = ublockSettings;
+          "addon@darkreader.org" = darkReaderSettings;
+        };
+      };
+
+      settings = {
+        "identity.sync.tokenserver.uri" = "https://firefox-sync.sigkill.computer/1.0/sync/1.5";
+        # auto-enable extensions on install
+        "extensions.autoDisableScopes" = 0;
+      };
+    };
+  };
+
+  # Zen ignores XDG and hardcodes ~/.zen — symlink to module-managed path
+  home.file.".zen".source = config.lib.file.mkOutOfStoreSymlink "${config.xdg.configHome}/zen";
+
+  home.sessionVariables.BROWSER = "zen";
+}
diff --git a/home-manager/progs/zen/ublock.nix b/home-manager/progs/zen/ublock.nix
new file mode 100644
index 0000000..35f3eb1
--- /dev/null
+++ b/home-manager/progs/zen/ublock.nix
@@ -0,0 +1,143 @@
+# uBlock Origin extension settings
+# Addon ID: uBlock0@raymondhill.net
+{ lib }:
+{
+  force = true;
+  settings = {
+    userSettings = {
+      cloudStorageEnabled = true;
+      externalLists = builtins.concatStringsSep "\n" [
+        "https://abp.oisd.nl/"
+        "https://filters.adtidy.org/extension/ublock/filters/3.txt"
+        "https://gitflic.ru/project/magnolia1234/bypass-paywalls-clean-filters/blob/raw?file=bpc-paywall-filter.txt"
+        "https://raw.githubusercontent.com/DetachHead/ublock-filters/refs/heads/master/list.txt"
+        "https://raw.githubusercontent.com/laylavish/uBlockOrigin-HUGE-AI-Blocklist/main/list.txt"
+      ];
+      importedLists = [
+        "https://abp.oisd.nl/"
+        "https://filters.adtidy.org/extension/ublock/filters/3.txt"
+        "https://gitflic.ru/project/magnolia1234/bypass-paywalls-clean-filters/blob/raw?file=bpc-paywall-filter.txt"
+        "https://raw.githubusercontent.com/DetachHead/ublock-filters/refs/heads/master/list.txt"
+        "https://raw.githubusercontent.com/laylavish/uBlockOrigin-HUGE-AI-Blocklist/main/list.txt"
+      ];
+      popupPanelSections = 15;
+      prefetchingDisabled = false;
+    };
+
+    selectedFilterLists = [
+      "user-filters"
+      "ublock-filters"
+      "ublock-badware"
+      "ublock-privacy"
+      "ublock-quick-fixes"
+      "ublock-unbreak"
+      "easylist"
+      "adguard-generic"
+      "adguard-mobile"
+      "easyprivacy"
+      "adguard-spyware-url"
+      "block-lan"
+      "urlhaus-1"
+      "curben-phishing"
+      "plowe-0"
+      "dpollock-0"
+      "fanboy-cookiemonster"
+      "ublock-cookies-easylist"
+      "adguard-cookies"
+      "ublock-cookies-adguard"
+      "fanboy-social"
+      "adguard-social"
+      "fanboy-thirdparty_social"
+      "easylist-chat"
+      "easylist-newsletters"
+      "easylist-notifications"
+      "easylist-annoyances"
+      "adguard-mobile-app-banners"
+      "adguard-other-annoyances"
+      "adguard-popup-overlays"
+      "adguard-widgets"
+      "ublock-annoyances"
+      "SWE-1"
+      "https://filters.adtidy.org/extension/ublock/filters/3.txt"
+      "https://gitflic.ru/project/magnolia1234/bypass-paywalls-clean-filters/blob/raw?file=bpc-paywall-filter.txt"
+      "https://raw.githubusercontent.com/DetachHead/ublock-filters/refs/heads/master/list.txt"
+      "https://raw.githubusercontent.com/laylavish/uBlockOrigin-HUGE-AI-Blocklist/main/list.txt"
+      "https://abp.oisd.nl/"
+    ];
+
+    whitelist = [
+      "chrome-extension-scheme"
+      "moz-extension-scheme"
+    ];
+
+    dynamicFilteringString = builtins.concatStringsSep "\n" [
+      "behind-the-scene * * noop"
+      "behind-the-scene * inline-script noop"
+      "behind-the-scene * 1p-script noop"
+      "behind-the-scene * 3p-script noop"
+      "behind-the-scene * 3p-frame noop"
+      "behind-the-scene * image noop"
+      "behind-the-scene * 3p noop"
+    ];
+
+    hostnameSwitchesString = builtins.concatStringsSep "\n" [
+      "no-large-media: behind-the-scene false"
+      "no-csp-reports: * true"
+      "no-scripting: arstechnica.com true"
+      "no-scripting: www.phoronix.com true"
+      "no-scripting: www.theatlantic.com true"
+      "no-scripting: wccftech.com true"
+      "no-remote-fonts: www.theverge.com true"
+      "no-scripting: www.theverge.com true"
+      "no-scripting: gamersnexus.net true"
+    ];
+
+    userFilters = builtins.concatStringsSep "\n" [
+      # Annoying fonts warning because of localCDN
+      "docs.google.com##.jfk-butterBar-shown.jfk-butterBar-info.jfk-butterBar"
+
+      # remove phoronix premium ad
+      "www.phoronix.com##aside:nth-of-type(3)"
+      "www.phoronix.com##aside.widget:nth-of-type(4)"
+
+      # Remove instagram login screen
+      "www.instagram.com##.x1nhvcw1.x1oa3qoh.x1qjc9v5.xqjyukv.xdt5ytf.x2lah0s.x1c4vz4f.x1odjw0f.xw2csxc.x1n2onr6.xo71vjh.x5pf9jr.x13lgxp2.x168nmei.x78zum5.xjbqb8w.x9f619"
+      "www.instagram.com##.xl56j7k.x1iyjqo2.xdt5ytf.x78zum5.x9f619.x1qjc9v5"
+      "www.instagram.com##.x1jfb8zj.x1qrby5j.x1n2onr6.x7ja8zs.x1t2pt76.x1lytzrv.xedcshv.xarpa2k.x3igimt.x12ejxvf.xaigb6o.x1beo9mf.x1h91t0o.x4k7w5x.x1uvtmcs"
+      "www.instagram.com##.x1h0vfkc.x13vifvy.xixxii4.x17qophe.xds687c.x1ey2m1c"
+      "www.instagram.com##.x1n2onr6.xg6iff7.xippug5.xdt5ytf.x78zum5"
+      "www.instagram.com##.xzkaem6.x1n2onr6 > .xjx87ck.x1yqm8si.xfk6m8.xh8yej3.x13vifvy.x1rohswg.xixxii4.x1odjw0f.xw2csxc.x17qophe.x5yr21d.x1pq812k.x1ja2u2z.x9f619"
+
+      # remove github dashboard copilot stuff
+      "github.com##copilot-dashboard-entrypoint"
+      "github.com##.hide-md.hide-sm.AppHeader-CopilotChat > react-partial-anchor"
+      "github.com##react-partial-anchor > .AppHeader-buttonLeft.AppHeader-button.Button--medium.Button--secondary.Button--iconOnly.Button"
+      "github.com##.Button.Button--medium.Button--secondary.AppHeader-button--dropdown.AppHeader-buttonRight.AppHeader-button"
+      "github.com##.tooltipped-sw.tooltipped.AppHeader-buttonRight.color-fg-muted.AppHeader-button.Button--medium.Button--secondary.Button--iconOnly.Button"
+
+      # github sidebar stuff
+      ''github.com##.rounded-2.p-3.color-border-default.border.\<color-bg-default.dashboard-changelog.mb-3''
+      "github.com##.mb-5.feed-right-sidebar"
+
+      "app.howthemarketworks.com##div.reveal-overlay:nth-of-type(8)"
+
+      # github copilot chat
+      "github.com##.CopilotChatInputPartial-module__inputSection--UWMD6"
+      "github.com##.CopilotChatInputPartial-module__inputContainer--EE6LJ"
+
+      # reddit
+      ''www.reddit.com##.font-normal > .mt-0.list-none.relative > .s\:rounded-2.bg-transparent.-outline-offset-1.py-2xs.cursor-pointer.hover\:no-underline.hover\:bg-neutral-background-hover.hover\:text-secondary-hover.text-secondary.gap-\[0\.5rem\].px-md.relative.justify-between.flex''
+
+      "www.quora.com##.qu-bg--raised.qu-mb--small.qu-boxShadow--small.qu-borderColor--raised.qu-borderAll.dom_annotate_question_answer_item_0.q-box > div > div > div > div > div.q-box"
+
+      "discord.com##.contentCollapsedWrapper__5f897"
+
+      "www.statista.com###pdfpremiumArrowModal > .vueModal__overlay"
+
+      # The AI summary BS
+      ''www.reddit.com##.px-md.pb-\[22px\].pt-md.mt-md.rounded-4.bg-neutral-background-weak.xs\:block.hidden''
+
+      "www.sciencedirect.com##.gXjxP.sc-fHSyaj"
+    ];
+  };
+}