diff --git a/modules/home-manager/bundles/gui.nix b/modules/home-manager/bundles/gui.nix
index de6e9a8..300f80e 100644
--- a/modules/home-manager/bundles/gui.nix
+++ b/modules/home-manager/bundles/gui.nix
@@ -7,6 +7,7 @@
     # keep-sorted start
     "alacritty"
     "firefox"
+    "librewolf"
     "obsidian"
     # "zen-browser"
     # keep-sorted end
diff --git a/modules/home-manager/features/librewolf.nix b/modules/home-manager/features/librewolf.nix
new file mode 100644
index 0000000..31a34b2
--- /dev/null
+++ b/modules/home-manager/features/librewolf.nix
@@ -0,0 +1,255 @@
+{
+  pkgs,
+  ...
+}:
+{
+  programs.librewolf = {
+    enable = true;
+    languagePacks = [ "en-GB" ];
+    profiles.will = {
+      settings = {
+        # keep-sorted start
+        "browser.aboutwelcome.enabled" = false;
+        "browser.bookmarks.addedImportButton" = false;
+        "browser.bookmarks.restore_default_bookmarks" = false;
+        "browser.download.useDownloadDir" = true;
+        "browser.newtabpage.enabled" = false;
+        "browser.safebrowsing.downloads.enabled" = false;
+        "browser.safebrowsing.malware.enabled" = false;
+        "browser.safebrowsing.phishing.enabled" = false;
+        "browser.safebrowsing.remote.block_potentially_unwanted" = false;
+        "browser.safebrowsing.remote.block_uncommon" = false;
+        "browser.search.suggest.enabled" = false;
+        "browser.startup.homepage" = "chrome://browser/content/blanktab.html";
+        "browser.startup.page" = 3;
+        "browser.tabs.groups.smart.userEnabled" = false;
+        "browser.tabs.warnOnClose" = true;
+        "browser.tabs.warnOnOpen" = false;
+        "browser.toolbars.bookmarks.visibility" = "never";
+        "browser.urlbar.suggest.searches" = false;
+        "datareporting.healthreport.uploadEnabled" = false;
+        "datareporting.usage.uploadEnabled" = false;
+        "dom.security.https_only_mode" = true;
+        "dom.security.https_only_mode_ever_enabled" = true;
+        "extensions.formautofill.creditCards.enabled" = false;
+        "general.autoScroll" = true;
+        "identity.fxaccounts.enabled" = true;
+        "intl.locale.requested" = "en-GB";
+        "network.trr.mode" = 3;
+        "network.trr.uri" = "https://firefox.dns.nextdns.io/";
+        "privacy.annotate_channels.strict_list.enabled" = true;
+        "privacy.bounceTrackingProtection.mode" = 1;
+        "privacy.fingerprintingProtection" = true;
+        "privacy.globalprivacycontrol.enabled" = true;
+        "privacy.globalprivacycontrol.was_ever_enabled" = true;
+        "privacy.history.custom" = false;
+        "privacy.query_stripping.enabled " = true;
+        "privacy.query_stripping.enabled.pbmode" = true;
+        "privacy.sanitize.sanitizeOnShutdown" = false;
+        "privacy.trackingprotection.allow_list.baseline.enabled" = true;
+        "privacy.trackingprotection.allow_list.convenience.enabled" = false;
+        "privacy.trackingprotection.consentmanager.skip.pbmode.enabled" = false;
+        "privacy.trackingprotection.emailtracking.enabled" = true;
+        "privacy.trackingprotection.enabled" = true;
+        "privacy.trackingprotection.socialtracking.enabled" = true;
+        "services.sync.engine.passwords" = false;
+        "sidebar.main.tools" = "syncedtabs,history,bookmarks";
+        "sidebar.new-sidebar.has-used" = true;
+        "sidebar.position_start" = false;
+        "sidebar.revamp" = true;
+        "sidebar.verticalTabs" = true;
+        "sidebar.verticalTabs.dragToPinPromo.dismissed" = true;
+        "signon.autofillForms" = false;
+        "signon.firefoxRelay.feature" = "disabled";
+        "signon.generation.enabled" = false;
+        "signon.management.page.breach-alerts.enabled" = false;
+        "signon.rememberSignons" = false;
+        "toolkit.telemetry.reportingpolicy.firstRun" = false;
+        # keep-sorted end
+      };
+      search = {
+        default = "ddg";
+        privateDefault = "ddg";
+        engines = { };
+        order = [ ];
+        force = true;
+      };
+      extensions = {
+        force = true;
+        packages = with pkgs.nur.repos.rycee.firefox-addons; [
+          # keep-sorted start sticky_comments=no
+          # detect-cloudflare
+          bitwarden
+          dearrow
+          nixpkgs-pr-tracker
+          react-devtools
+          return-youtube-dislikes
+          sponsorblock
+          ublock-origin
+          # keep-sorted end
+        ];
+        settings = {
+          # keep-sorted start block=yes
+          # sponsorblock
+          "sponsorBlocker@ajay.app".settings = {
+            hideSegmentCreationInPopup = false;
+            autoSkipOnMusicVideosUpdate = true;
+            changeChapterColor = true;
+            autoSkipOnMusicVideos = false;
+            hideVideoPlayerControls = false;
+            useVirtualTime = true;
+            categoryPillColors = { };
+            payments = {
+              chaptersAllowed = false;
+              freeAccess = false;
+              lastCheck = 0;
+              lastFreeCheck = 0;
+              licenseKey = null;
+            };
+            allowExpirements = true;
+            allowScrollingToEdit = true;
+            audioNotificationOnSkip = false;
+            autoHideInfoButton = true;
+            categoryPillUpdate = true;
+            chapterCategoryAdded = true;
+            checkForUnlistedVideos = false;
+            cleanPopup = false;
+            darkMode = true;
+            deArrowInstalled = true;
+            defaultCategory = "chooseACategory";
+            disableSkipping = false;
+            donateClicked = 0;
+            dontShowNotice = false;
+            forceChannelCheck = false;
+            fullVideoLabelsOnThumbnails = true;
+            fullVideoSegments = true;
+            hideDeleteButtonPlayerControls = false;
+            hideDiscordLaunches = 0;
+            hideDiscordLink = false;
+            hideInfoButtonPlayerControls = false;
+            hideSkipButtonPlayerControls = false;
+            hideUploadButtonPlayerControls = false;
+            categorySelections = [
+              {
+                name = "sponsor";
+                option = 2;
+              }
+              {
+                name = "poi_highlight";
+                option = 1;
+              }
+              {
+                name = "exclusive_access";
+                option = 0;
+              }
+              {
+                name = "chapter";
+                option = 0;
+              }
+              {
+                name = "selfpromo";
+                option = 1;
+              }
+              {
+                name = "interaction";
+                option = 1;
+              }
+              {
+                name = "intro";
+                option = 1;
+              }
+              {
+                name = "outro";
+                option = 1;
+              }
+              {
+                name = "preview";
+                option = 1;
+              }
+              {
+                name = "filler";
+                option = 1;
+              }
+              {
+                name = "music_offtopic";
+                option = 2;
+              }
+              {
+                name = "hook";
+                option = 1;
+              }
+            ];
+            manualSkipOnFullVideo = false;
+            minDuration = 0;
+            isVip = false;
+            muteSegments = false;
+            noticeVisibilityMode = 3;
+            renderSegmentsAsChapters = false;
+            scrollToEditTimeUpdate = false;
+            serverAddress = "https://sponsor.ajay.app";
+            showAutogeneratedChapters = false;
+            showCategoryGuidelines = true;
+            showCategoryWithoutPermission = false;
+            showChapterInfoMessage = true;
+            showDeArrowInSettings = true;
+            showDeArrowPromotion = true;
+            showDonationLink = false;
+            showNewFeaturePopups = false;
+            showSegmentFailedToFetchWarning = true;
+            showSegmentNameInChapterBar = true;
+            showTimeWithSkips = true;
+            showUpcomingNotice = false;
+            showUpsells = false;
+            minutesSaved = 67.630516;
+            shownDeArrowPromotion = false;
+            showZoomToFillError2 = false;
+            skipNoticeDuration = 4;
+            sponsorTimesContributed = 0;
+            testingServer = false;
+            trackDownvotes = false;
+            trackDownvotesInPrivate = false;
+            trackViewCount = false;
+            trackViewCountInPrivate = false;
+            ytInfoPermissionGranted = false;
+            skipNonMusicOnlyOnYoutubeMusic = false;
+            hookUpdate = false;
+            permissions = {
+              sponsor = true;
+              selfpromo = true;
+              exclusive_access = true;
+              interaction = true;
+              intro = true;
+              outro = true;
+              preview = true;
+              hook = true;
+              music_offtopic = true;
+              filler = true;
+              poi_highlight = true;
+              chapter = false;
+            };
+            segmentListDefaultTab = 0;
+            prideTheme = false;
+          };
+          # ublock-origin
+          "uBlock0@raymondhill.net".settings = {
+            advancedUserEnabled = true;
+            selectedFilterLists = [
+              "user-filters"
+              "ublock-filters"
+              "ublock-badware"
+              "ublock-privacy"
+              "ublock-quick-fixes"
+              "ublock-unbreak"
+              "easylist"
+              "easyprivacy"
+              "adguard-spyware-url"
+              "urlhaus-1"
+              "plowe-0"
+            ];
+          };
+          # keep-sorted end
+        };
+      };
+    };
+  };
+}