diff --git a/nixos/home/firefox/addons/addons.json b/nixos/home/firefox/addons/addons.json
new file mode 100644
index 0000000..169ac58
--- /dev/null
+++ b/nixos/home/firefox/addons/addons.json
@@ -0,0 +1,14 @@
+[
+  {
+    "slug": "600-sound-volume"
+  },
+  {
+    "slug": "google-container"
+  },
+  {
+    "slug": "checkmarks-web-ext"
+  },
+  {
+    "slug": "opera-gx-witchcraft-purple"
+  }
+]
diff --git a/nixos/home/firefox/addons/default.nix b/nixos/home/firefox/addons/default.nix
new file mode 100644
index 0000000..af986c9
--- /dev/null
+++ b/nixos/home/firefox/addons/default.nix
@@ -0,0 +1,48 @@
+{ fetchurl, lib, stdenv }@args:
+
+let
+
+  buildFirefoxXpiAddon = lib.makeOverridable ({ stdenv ? args.stdenv
+    , fetchurl ? args.fetchurl, pname, version, addonId, url, sha256, meta, ...
+    }:
+    stdenv.mkDerivation {
+      name = "${pname}-${version}";
+
+      inherit meta;
+
+      src = fetchurl { inherit url sha256; };
+
+      preferLocalBuild = true;
+      allowSubstitutes = true;
+
+      buildCommand = ''
+        dst="$out/share/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384}"
+        mkdir -p "$dst"
+        install -v -m644 "$src" "$dst/${addonId}.xpi"
+      '';
+    });
+
+  packages = import ./generated-firefox-addons.nix {
+    inherit buildFirefoxXpiAddon fetchurl lib stdenv;
+  };
+
+in packages // {
+  inherit buildFirefoxXpiAddon;
+
+  bypass-paywalls-clean = let
+    version = "3.3.6.0";
+  in buildFirefoxXpiAddon {
+    pname = "bypass-paywalls-clean";
+    inherit version;
+    addonId = "magnolia@12.34";
+    url =
+      "https://gitlab.com/magnolia1234/bpc-uploads/-/raw/master/bypass_paywalls_clean-${version}.xpi";
+    sha256 = "sha256-nuWwx7a51WI1HPkATXMLi6UZiQo+YgWWCZZk54JPDIU=";
+    meta = with lib; {
+      homepage = "https://gitlab.com/magnolia1234/bypass-paywalls-firefox-clean";
+      description = "Bypass Paywalls of (custom) news sites";
+      license = licenses.mit;
+      platforms = platforms.all;
+    };
+  };
+}
diff --git a/nixos/home/firefox/addons/generated-firefox-addons.nix b/nixos/home/firefox/addons/generated-firefox-addons.nix
new file mode 100644
index 0000000..44e40f6
--- /dev/null
+++ b/nixos/home/firefox/addons/generated-firefox-addons.nix
@@ -0,0 +1,80 @@
+{ buildFirefoxXpiAddon, fetchurl, lib, stdenv }:
+  {
+    "600-sound-volume" = buildFirefoxXpiAddon {
+      pname = "600-sound-volume";
+      version = "1.5.3";
+      addonId = "{c4b582ec-4343-438c-bda2-2f691c16c262}";
+      url = "https://addons.mozilla.org/firefox/downloads/file/4133303/600_sound_volume-1.5.3.xpi";
+      sha256 = "7045a812608338f95181459ae3e518bb51c8dc9a724a4083afb687d14075c304";
+      meta = with lib;
+      {
+        homepage = "http://resourcefulman.net/";
+        description = "Up to 600% volume boost";
+        license = licenses.mpl20;
+        mozPermissions = [ "<all_urls>" "tabs" "activeTab" "storage" ];
+        platforms = platforms.all;
+        };
+      };
+    "checkmarks-web-ext" = buildFirefoxXpiAddon {
+      pname = "checkmarks-web-ext";
+      version = "1.6.1";
+      addonId = "{bd97f89b-17ba-4539-9fec-06852d07f917}";
+      url = "https://addons.mozilla.org/firefox/downloads/file/3594420/checkmarks_web_ext-1.6.1.xpi";
+      sha256 = "c3ccf4b302ee96c9b883c4a1f7d26395ab4e276b976cab2d65c9cd898964e4f0";
+      meta = with lib;
+      {
+        homepage = "https://github.com/tanwald/checkmarks";
+        description = "Checks, sorts, formats bookmarks and loads favicons.";
+        license = licenses.gpl3;
+        mozPermissions = [
+          "<all_urls>"
+          "bookmarks"
+          "browsingData"
+          "storage"
+          "tabs"
+          "webNavigation"
+          "webRequest"
+          "webRequestBlocking"
+          ];
+        platforms = platforms.all;
+        };
+      };
+    "google-container" = buildFirefoxXpiAddon {
+      pname = "google-container";
+      version = "1.5.4";
+      addonId = "@contain-google";
+      url = "https://addons.mozilla.org/firefox/downloads/file/3736912/google_container-1.5.4.xpi";
+      sha256 = "47a7c0e85468332a0d949928d8b74376192cde4abaa14280002b3aca4ec814d0";
+      meta = with lib;
+      {
+        homepage = "https://github.com/containers-everywhere/contain-google";
+        description = "THIS IS NOT AN OFFICIAL ADDON FROM MOZILLA!\nIt is a fork of the Facebook Container addon.\n\nPrevent Google from tracking you around the web. The Google Container extension helps you take control and isolate your web activity from Google.";
+        license = licenses.mpl20;
+        mozPermissions = [
+          "<all_urls>"
+          "contextualIdentities"
+          "cookies"
+          "management"
+          "tabs"
+          "webRequestBlocking"
+          "webRequest"
+          "storage"
+          ];
+        platforms = platforms.all;
+        };
+      };
+    "opera-gx-witchcraft-purple" = buildFirefoxXpiAddon {
+      pname = "opera-gx-witchcraft-purple";
+      version = "2.0";
+      addonId = "{bf197856-a3c2-4280-84c5-9b556379b706}";
+      url = "https://addons.mozilla.org/firefox/downloads/file/3522842/opera_gx_witchcraft_purple-2.0.xpi";
+      sha256 = "aa3c6377b8571c42a3988de042694be70ec6a250a9aea7ae1cc262acdc9374eb";
+      meta = with lib;
+      {
+        description = "inspired by Opera GX";
+        license = licenses.cc-by-sa-30;
+        mozPermissions = [];
+        platforms = platforms.all;
+        };
+      };
+    }
\ No newline at end of file
diff --git a/nixos/home/firefox/firefox-gx.nix b/nixos/home/firefox/firefox-gx.nix
new file mode 100644
index 0000000..6e7b20b
--- /dev/null
+++ b/nixos/home/firefox/firefox-gx.nix
@@ -0,0 +1,36 @@
+{ lib, stdenvNoCC, fetchFromGitHub }:
+let
+  pname = "firefox-gx";
+  version = "8.4";
+in
+stdenvNoCC.mkDerivation {
+  inherit pname version;
+
+  src = fetchFromGitHub {
+    owner = "Godiesc";
+    repo = pname;
+    rev = "v.${version}";
+    sha256 = "sha256-Izb2dLIThLAXJ+Z6fNyRli3v3kV1upyDY0wA2VNVi+o=";
+  };
+
+  installPhase = ''
+    # Personal changes
+    sed -i 's/var(--fuchsia))/var(--purple))/' ./chrome/components/ogx_root-personal.css
+
+    mv ./Extras/Tab-Shapes/ogx_tab-shapes.css ./chrome/components
+    rm ./user.js
+    mv ./Extras/Tab-Shapes/user.js ./
+    sed -i 's/rounded_corner.chrome",        true/rounded_corner.chrome",        false/' ./user.js
+    sed -i 's/rounded_corner.wave",          false/rounded_corner.wave",          true/' ./user.js
+
+
+    mkdir -p $out
+    cp -r ./* $out
+  '';
+
+  meta = with lib; {
+    description = "Firefox Theme CSS to Opera GX Lovers ";
+    homepage = "https://github.com/Godiesc/firefox-gx";
+    license = licenses.mspl;
+  };
+}
diff --git a/nixos/home/firefox/main.nix b/nixos/home/firefox/main.nix
new file mode 100644
index 0000000..af5d869
--- /dev/null
+++ b/nixos/home/firefox/main.nix
@@ -0,0 +1,158 @@
+{ config, pkgs, ... }: let
+  firefox-addons = pkgs.recurseIntoAttrs (pkgs.callPackage ./addons { });
+  sound-volume = firefox-addons."600-sound-volume";
+
+  firefox-gx = pkgs.callPackage ./firefox-gx.nix { };
+in
+{
+  home.file = {
+    ".mozilla/firefox/matt/chrome".source = "${firefox-gx}/chrome";
+  };
+
+  programs.firefox = {
+    enable = true;
+    profiles.matt = {
+      isDefault = true;
+      id = 0;
+
+      extraConfig = builtins.readFile "${firefox-gx}/user.js";
+      settings = {
+        # Open previous windows and tabs
+        "browser.startup.page" = 3;
+
+        # Prefs
+        "browser.search.widget.inNavBar" = true;
+        "browser.toolbars.bookmarks.visibility" = "always";
+
+        # remove telemetry
+        "datareporting.policy.dataSubmissionEnabled" = false;
+        "datareporting.healthreport.uploadEnabled" = false;
+        "datareporting.healthreport.infoURL" = "";
+        "dom.security.https_only_mode" = true;
+
+        # remove first run and warning stuff
+        "datareporting.policy.firstRunURL" = "";
+        "browser.aboutwelcome.enabled" = false;
+        "browser.aboutConfig.showWarning" = false;
+
+        # Disable firefox autofill
+        "signon.rememberSignons" = false;
+        "extensions.formautofill.addresses.enabled" = false;
+        "extensions.formautofill.creditCards.enabled" = false;
+
+        # remove new tab stuff
+        "extensions.pocket.enabled" = false;
+        "services.sync.prefs.sync.browser.newtabpage.activity-stream.feeds.section.topstories" = false;
+        "browser.newtabpage.activity-stream.section.highlights.includePocket" = false;
+        "browser.newtabpage.activity-stream.feeds.system.topstories" = false;
+        "browser.newtabpage.activity-stream.feeds.section.topstories" = false;
+        "browser.newtabpage.activity-stream.feeds.topsites" = false;
+        "browser.newtabpage.activity-stream.asrouter.userprefs.cfr.addons" = false;
+        "browser.newtabpage.activity-stream.asrouter.userprefs.cfr.features" = false;
+      };
+
+      search = {
+        default = "DuckDuckGo";
+        force = true;
+        engines = {
+          "Nix Packages" = {
+            urls = [{
+              template = "https://search.nixos.org/packages";
+              params = [
+                { name = "type"; value = "packages"; }
+                { name = "query"; value = "{searchTerms}"; }
+              ];
+            }];
+            icon = "${pkgs.nixos-icons}/share/icons/hicolor/scalable/apps/nix-snowflake-white.svg";
+            definedAliases = [ "@np" ];
+          };
+
+          "NixOS Wiki" = {
+            urls = [{ template =
+              "https://nixos.wiki/index.php?search={searchTerms}";
+            }];
+            iconUpdateURL = "https://nixos.wiki/favicon.png";
+            updateInterval = 24 * 60 * 60 * 1000; # every day
+            definedAliases = [ "@nw" ];
+          };
+
+          "MyNixos" = {
+            urls = [{ template =
+              "https://mynixos.com/search?q={searchTerms}";
+            }];
+            iconUpdateURL = "https://mynixos.com/favicon.ico";
+            updateInterval = 24 * 60 * 60 * 1000; # every day
+            definedAliases = [ "@mn" ];
+          };
+
+          "Firefox Add-ons" = {
+            urls = [{ template =
+              "https://addons.mozilla.org/en-US/firefox/search/?q={searchTerms}";
+            }];
+            iconUpdateURL = "https://addons.mozilla.org/favicon.ico";
+            updateInterval = 24 * 60 * 60 * 1000; # every day
+            definedAliases = [ "@fa" ];
+          };
+
+          "ProtonDB" = {
+            urls = [{ template =
+              "https://www.protondb.com/search?q={searchTerms}";
+            }];
+            iconUpdateURL = "https://www.protondb.com/favicon.ico";
+            updateInterval = 24 * 60 * 60 * 1000; # every day
+            definedAliases = [ "@pdb" ];
+          };
+
+          "YouTube" = {
+            urls = [{ template =
+              "https://www.youtube.com/results?search_query={searchTerms}";
+            }];
+            iconUpdateURL = "https://www.youtube.com/favicon.ico";
+            updateInterval = 24 * 60 * 60 * 1000; # every day
+            definedAliases = [ "@yt" "@youtube" ];
+          };
+
+          "Bing".metaData.hidden = true;
+          "Google".metaData.hidden = true;
+          "eBay".metaData.hidden = true;
+        };
+        order = [
+          "DuckDuckGo"
+          "MyNixos"
+          "NixOS Wiki"
+          "Nix Packages"
+          "Wikipedia (en)"
+          "YouTube"
+          "Firefox Add-ons"
+          "ProtonDB"
+          "Amazon.ca"
+        ];
+      };
+
+      extensions = with config.nur.repos;
+      (with bandithedoge.firefoxAddons; [
+        sponsorblock
+        stylus
+        #tridactyl
+        ublock-origin
+      ]) ++
+
+      (with rycee.firefox-addons; [
+        bitwarden
+        darkreader
+        floccus
+        istilldontcareaboutcookies
+        image-search-options
+        return-youtube-dislikes
+        undoclosetabbutton
+      ]) ++
+
+      (with firefox-addons; [
+        sound-volume
+        google-container
+        checkmarks-web-ext
+        opera-gx-witchcraft-purple
+      ]);
+    };
+  };
+}
diff --git a/nixos/home/main.nix b/nixos/home/main.nix
index 457e162..d3f4a83 100644
--- a/nixos/home/main.nix
+++ b/nixos/home/main.nix
@@ -27,6 +27,7 @@
       ./dotfiles.nix
       ./packages.nix
       ./nvim.nix
+      ./firefox/main.nix
     ];
 
     home.stateVersion = "23.05";